after paddling like a spastic seagull for about half an hour i caught a wave on an 8ft foamy (board),now im hooked!

im looking for a bord of my own now and i getting advice from every surfer i know and im getting confused, so maybe you can help??
im 6ft 5", 23st what would be the best thing to go for? i know i need 8ft plus but thats gonna cost.
any idears??
if i can sweet talk the missus ive got about £300 to spend
any more advice welcome
cheers