Activision CEO Bobby Kotick says he sees the number of games bought per console slowing if the price on the PlayStation 3 doesn't go down, and that his company (the largest independent game developer in the world, thanks in part to that sweet, sweet Blizzard cash) might consider dropping the PS3 and PSP in 2010 or 2011 if things don't improve. He says Activision paid $500 million in royalties to Sony last year, but the Xbox 360 and Wii are cheaper to develop for and offer a better return on investment. Still, with 23 million PS3s out there in the world, we'd think it'd be difficult to ignore the console entirely -- especially for cross platform tit