I purchased a computer a couple years back its a AMD Athlon XP 3000+ 2.17Ghz, i've been planning on upgrading it from a 512MB(default and removable memory) to 2 gigs, and I installed an Nvidia GeForce 6600 256MB graphics card. I usually game alot...such as WoW and CounterStrike Source. So I just need some opinions on my computer if I need a whole new rig or not XD, or would the 2 gigs be good enough.