put it into a pentium3 atx 350watt tower.my main ? is if i hook up this board to a 350watt or 400watt power suppy will it be alright????i was thining about takeing a cross over cable and hooking it up to my old compaq desktop, and booting windows xp from there.or takeing and buying addatapter for usb2.0 hard drive and putting winxp pro on to the hd.and booting it that way. so what do you guys think??? will a 350watt or a 400watt atx power suppy work with this board?? which is the best way to boot by network or by usb drive????