Hi Bruce, I just got the baby up and running on windows XP. It has 4 gigs installed, windows XP shows that I have 3.18 gigs. Machine's spect's CPU AMD Athlon II 2.90 GHz Dual-core price $65 MB Gigabyte GA-M68M-s2p win & compatable price $49.99 Memory kingston DDR2 2X2GB PC8500 1066 MHz price $94.99 Case CM Elite 310 Blue Trim PS 420W price $59.99 The windows 7 OEM price $109.99 not installed yet! Sony internal reader price $14.99 old componits used, seagate 250 Gigs hard drive Price about $65? Sony DVD +/- R 20X burner it came with a extra black frount panel Price $65? When my little brother gets his hands on this he will go ape.