Wait a sec, wasn't that the whole point of 7 being a whole new OS? You've managed to confuse me now damn it! I thought they were meant to have a seperate kernel for XP and older stuff and stuff from vista onwards, pretty much just a modular OS, oh well.
Lappy: AMD athlon/ turion TK-53
2GB Crucial RAM@667 512MB Generic@667
Acer travelmate motherboard, unsure, Liteon laptop Power supply,ATI mobility Radeon, x1250,120GB HD