想買部NOTEBOOK同UPGRADE部老爺機DESKTOP

部NOTEBOOK應該做下文書野上網，同想用VM試LINUX
部DESKTOP見HDD無位同有少少LAG想UPGRADE轉WIN7(如無意外應該要成部換 )

我部DESKTOP D SPEC應該係咁:
gtr 400w
asrock a780gm-le
amd athlon 64x2 5200+
kingston ddr2 1Gb
hitachi hd t721016sla380

有無介紹