trying to build a sff , p4 2.8 northwood, intel 865glc, 1 gig ram, and need advice on how to fit things together.. i heard that sony optical drives are shorter than most , is this right ? i need a microatx psu.. probably more than 350 watts, any advice ? trying to stuff this into an old p2 compaq presario micro atx case.. heat sink and fan will require moving the hd .. has anyone tried to stuff 10 lbs of crap into a 5 lb box ? tia