I'm upgrading an moving over to a pentium 4 2.5Ghz system from an AMD athlon 1.4Ghz system. i've looked at this Asus P4B266SE motherboard an i have read very very good reviews about it but wot do u lot think? an wot size power supply would you reccomend? i currently have a 350w power supply but people have told me before because i have a GeForce 4 MX460 that i should get a minimun of 400w because they use loads of power, is this true? any help would be greatful thanx