✔ 最佳答案
打機唔lag要注重:
1) CPU - Processer, get a core 2 duo la.. a quad core is even better...
2) Ram - at least 1Gb @ 667 MHz
3) Video card, go and find out the game(s) you want to play, and check up the RECOMMENDED requirement, then make your decision.
those 3 above would gives you - 1)won't lag, as having more processing power , 2) better graphical rendering, and of course, you need to find out the video cards that your games support...or else, it just won't run the game!!
** agreed to above answer, to have Vista, you MUST need at least 1 Gb ram, anything smaller than that is rubbish.