Board advice for transition from funboard to shortboard

Hello!
I'm from Orange County and I've been surfing for a year. I surf about 4 -5 days a week. I've been riding my fun board 7'6"x22"x2 7/8". I can catch waves and go down the line, trimming, turning. Now I want to move down to short board. I tried my friend's shortboard the other day and it was fun. The board size is about 6'2"x19"x2.5". I was able to stand up 4 times on the waves but paddling was so hard.
I'm thinking of getting a transition board to make it easier. I saw a board LOST Mayhem 6'8"x20"x2.75" on CL. I think it's a hybrid of short and fish board (picture below, blue one). Volume is about 40l. with that width and thickness it'll be easier for me to paddle but i dont know if i can duck dive on it since the volume is big.
I also saw another board by McCrystal 6'4"x19"x2.5" (picture below).
About me, I am 5'7" 155lbs 25 years old, relatively fit. Do you think should i go for the Lost for just go straight for the McCrystal? Or if you have any board that you would recommend
Thank you so much
Lost

McCrystal
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I'm from Orange County and I've been surfing for a year. I surf about 4 -5 days a week. I've been riding my fun board 7'6"x22"x2 7/8". I can catch waves and go down the line, trimming, turning. Now I want to move down to short board. I tried my friend's shortboard the other day and it was fun. The board size is about 6'2"x19"x2.5". I was able to stand up 4 times on the waves but paddling was so hard.
I'm thinking of getting a transition board to make it easier. I saw a board LOST Mayhem 6'8"x20"x2.75" on CL. I think it's a hybrid of short and fish board (picture below, blue one). Volume is about 40l. with that width and thickness it'll be easier for me to paddle but i dont know if i can duck dive on it since the volume is big.
I also saw another board by McCrystal 6'4"x19"x2.5" (picture below).
About me, I am 5'7" 155lbs 25 years old, relatively fit. Do you think should i go for the Lost for just go straight for the McCrystal? Or if you have any board that you would recommend
Thank you so much
Lost

McCrystal
