Ahh opening a cybercafe.

Just out of curiosity, what kind of line do you have for bandwith?

Heres a list of games I think that would be good to have in a cyber cafe.

BattleField 1942 with the Desert Combat Mod
MOHAA
UT
Counter Strike
Doom
Diablo
Quake
MS Combat FLight Simulator?
Call of Duty
Command And Conquer Genrals: Zero Hour
Mech warrior
Star Wars Jedi Knight: Jedi Knight II
Star Wars Jedi Knight: Jedi Academy
Soldeir of Fortune II
Tribes II
Americas Army (free game)
Halo
Raven Shield


Thats all I could think of at the moment.