in addition to your questions--some critique:
Why would you buy an i3? I think there are much better values in AMD processors at that price range. You could get a quad core.
Why are you using ddr2 instead of newer ddr3?
i am using DDr3 4gb of it just not my sucky video card lolz the vid card was half price 19.99 it's a tad better then my onboard ati 3200
and my moniter suports up to 1600 by 1200 but i don't care for it and
the system all together only costs me 499$ canadian oh and plus 20 bucks for video card lolz