At both Universities that I have attended, I would say that 90-95% of people still have x86 windows-os laptops. And I'm sure that you know that there is a 64bit xp and vista which have no 3GB cap.
actually I wasn't a fan boy when bungie switched halo from mac to xbox. Then, to me, mac was obscure. I'm still no fanboy - only the haters call us mac users that I'm sure out of that 6% at least 4% are used to make 95% of the music you listen to, the movies you watch and the magazines you read. PC's are games company…