Why not try a free forum using phpbb? put your idea's into play there, once you've built a half decent user base and are making lots of dosh with ad's and subscriptions, I'll then become your partner and we can both live in harmony and buy a yacht.
Currently all they pay for is my vps ($18 a month) Thats it. I am hoping to hop over soon just gotta get some modifications done that i have installed on my site. A major thing to before convert is my style.
vBulletin - I bought with my cash
XenForo - Bought my with b-day cash.