2GB PC6400 800-MHz DDR2 RAM

hmmm....

Intel Core 2 Duo E6700 2.66-GHz 1066FSB
Intel D975XBX 2KR S775 ATX motherboard,
a RAID 0 Stripe SATA drive
and an ATI Radeon X1950 512MB video adapter

it all depends on what u frequently use with ur PC

if its strictly about gaming then the above specs will kick some a**