How do my gaming rigs stack for this year? Rig 1 q6600 2.4 ghz,4gb ddr 2 ram,Geforce 260 216,xfi fatality,600 gb hdd,windows 7 64 Rig 2 e6600 2.4 ghz,8gb ddr2,ATI Radeon 4870,400gb hdd,Vista 64, Will they be strong enough for this years line up of games?