ok i currently have a:
P4 2.8Ghz HT processor
p4s800 mobo
120gb hd
512mb ram
samsung dvd writer
my power supply is an omni 400w
256mb ati 9600 video card.
now im planning to add 512mb more memory and another 200gb hd. do i need to upgrade power supply or is it fine? and any1 recommend any upgrades?