First board for mid-40's beginner???

Hoping for some recommendations on a first board for a true beginner.
I'm 46 years old, 5'9", athletic, but my flat belly days are a distant memory and I currently tip the scales at 195lbs because of a gut that is bigger than it should be.
I'm a recent transplant to San Diego, and I took my first surf lesson last weekend. I had a great time, was able to stand up for a dozen or so unsteady rides, and am eager to learn and surf more.
Prior to the lesson, I was thinking that if I had fun, I would go to Costco and pick up a $100 Gerry Lopez foamie to learn on. However, after the lesson, during which the instructor basically had me on what I believe was essentially a 9' or 10' smallish but wide stand up paddle board, I realized that the Gerry Lopez, Wavestorm, and other similar bargain "beginner" boards are probably too small for me given my weight and skill level (or total lack thereof).
(I should note, I took the lesson with my wife, and she was really struggling on what I believe was a more traditional 8' or 9' foamie. Because I was doing well on the SUP, the instructor had us switch boards for the last 15 min or so of the lesson, and using the shorter, narrower, more traditional shape was far more challenging for me).
Given that I had success on the longer, wider, SUP style board during the lesson, I've been looking into buying a more typical "surf school" type board that is wider and has more volume.
A couple options I've been looking at are:
The Storm Blade 9ft SSR Maxx (which is huge at 9'0" x 29.625" W x 4.4" T / 145L) that I can get for $450-$550ish new.
or...
The slightly narrower Surftech Blacktips, either the 9ft Wide model (9'0" x 25" x 4.25" - 118L) or the 10ft model (10'0" x 25.625" x 4.25" - 138L), which are in the $400-$500 range new.
I've also been on the lookout for used versions of all 3, but haven't found anything near me as of yet.
Additionally, I've seen a used Walden Mega Magic 10' near me on Craigslist for under $500 (10'0" x 25.0" x 4.25" - 123L), which I realize is a higher end board but seems to have the width and volume that I'm looking for, so that could also be an option.
My goal is to get something that will allow me to have fun, build my confidence, allow me to catch a lot of waves to work on my takeoffs, and help me progress the quickest.
My questions are...
1) Am I right to try to get something at least 9ft or 10ft, 24"-25" wide, and at least 105L+ of volume?
2) Is the SSR Maxx, at 29" wide and 145L of volume, absurdly big? Or is that the perfect type of board for someone like myself to learn on? (I'm guessing it is probably the closest thing to what I used during the lesson).
If I do go the ultra large route, is it possible to even turn a board that wide once I do improve, or is something that large designed to just go straight to shore, and while it could be a great beginner board, is it something I could potentially outgrow quickly?
3) If the SSR Maxx is too big, would I be better off with a Surftech or the Walden, which, while still large, are slightly narrower at 25" and, while still voluminous at 118L, 123L, and 138L respectively, are perhaps bit more maneuverable and will grow with me for a longer time?
4) Am I right to think that something that is 22" or 23" wide and 100L or less will be much harder for someone like me, who is pushing 200lbs, to learn on, and I could revisit those smaller boards in the future if/when my technique improves and confidence grows?
I have zero ambition to be carving huge turns, and my only goal at the moment is to develop a good, smooth pop up technique so that I can cruise for long distances and eventually work up to angling and surfing down the line.
I realize I may also be overthinking this, and the answer could be that any of the above will be fine, or that I should try to find a used one of any of the above for the cheapest price, etc.
Ultimately, I'd like to get something for less than $500 that will allow me to have fun, catch as many waves as possible in the beginning so I can improve, gain confidence, and not get frustrated, and still be a good board as I hopefully progress to an advanced beginner.
Thanks in advance for any advice folks could provide to a total kook.
I'm 46 years old, 5'9", athletic, but my flat belly days are a distant memory and I currently tip the scales at 195lbs because of a gut that is bigger than it should be.
I'm a recent transplant to San Diego, and I took my first surf lesson last weekend. I had a great time, was able to stand up for a dozen or so unsteady rides, and am eager to learn and surf more.
Prior to the lesson, I was thinking that if I had fun, I would go to Costco and pick up a $100 Gerry Lopez foamie to learn on. However, after the lesson, during which the instructor basically had me on what I believe was essentially a 9' or 10' smallish but wide stand up paddle board, I realized that the Gerry Lopez, Wavestorm, and other similar bargain "beginner" boards are probably too small for me given my weight and skill level (or total lack thereof).
(I should note, I took the lesson with my wife, and she was really struggling on what I believe was a more traditional 8' or 9' foamie. Because I was doing well on the SUP, the instructor had us switch boards for the last 15 min or so of the lesson, and using the shorter, narrower, more traditional shape was far more challenging for me).
Given that I had success on the longer, wider, SUP style board during the lesson, I've been looking into buying a more typical "surf school" type board that is wider and has more volume.
A couple options I've been looking at are:
The Storm Blade 9ft SSR Maxx (which is huge at 9'0" x 29.625" W x 4.4" T / 145L) that I can get for $450-$550ish new.
or...
The slightly narrower Surftech Blacktips, either the 9ft Wide model (9'0" x 25" x 4.25" - 118L) or the 10ft model (10'0" x 25.625" x 4.25" - 138L), which are in the $400-$500 range new.
I've also been on the lookout for used versions of all 3, but haven't found anything near me as of yet.
Additionally, I've seen a used Walden Mega Magic 10' near me on Craigslist for under $500 (10'0" x 25.0" x 4.25" - 123L), which I realize is a higher end board but seems to have the width and volume that I'm looking for, so that could also be an option.
My goal is to get something that will allow me to have fun, build my confidence, allow me to catch a lot of waves to work on my takeoffs, and help me progress the quickest.
My questions are...
1) Am I right to try to get something at least 9ft or 10ft, 24"-25" wide, and at least 105L+ of volume?
2) Is the SSR Maxx, at 29" wide and 145L of volume, absurdly big? Or is that the perfect type of board for someone like myself to learn on? (I'm guessing it is probably the closest thing to what I used during the lesson).
If I do go the ultra large route, is it possible to even turn a board that wide once I do improve, or is something that large designed to just go straight to shore, and while it could be a great beginner board, is it something I could potentially outgrow quickly?
3) If the SSR Maxx is too big, would I be better off with a Surftech or the Walden, which, while still large, are slightly narrower at 25" and, while still voluminous at 118L, 123L, and 138L respectively, are perhaps bit more maneuverable and will grow with me for a longer time?
4) Am I right to think that something that is 22" or 23" wide and 100L or less will be much harder for someone like me, who is pushing 200lbs, to learn on, and I could revisit those smaller boards in the future if/when my technique improves and confidence grows?
I have zero ambition to be carving huge turns, and my only goal at the moment is to develop a good, smooth pop up technique so that I can cruise for long distances and eventually work up to angling and surfing down the line.
I realize I may also be overthinking this, and the answer could be that any of the above will be fine, or that I should try to find a used one of any of the above for the cheapest price, etc.
Ultimately, I'd like to get something for less than $500 that will allow me to have fun, catch as many waves as possible in the beginning so I can improve, gain confidence, and not get frustrated, and still be a good board as I hopefully progress to an advanced beginner.
Thanks in advance for any advice folks could provide to a total kook.