should this all be o.k. ? pentium 4 intel 2.6 processor pga478 socket,1024mb pc3200 ddr ram, antec 430watt true power psu, western digital 120gb 7200rpm hdd, geforce xfx 6600 gt video card. this is the proposed setup. new stuff is power supply video card and 512mb of ram. want to check before i get it