Games:

RTS
MMORPG
RPG

Systems:
1.5 ghz+ speed
128 mb + ram
Large LCD screens.

Price:
2$ an hr? Iunno. Never been to a Lan Center. Only an internet cafe (are they the same? iunno lol). They charged 3-4$ an hr depending on what day it was. They were pimp though, had a 50 inch big screen and a dreamcast/ps2 hooked up to it. They gave up free shit all the time.