Well its not the Standard yet..but not if you just surf on the internet and stuff, if you do some hardcore gaming I would guess it would make a difference, but by the looks of your video cards it looks like that you don't do some intense gaming so nah I think one gig is fine.
upgrade my cpu? really? this stuff only started happening a few days ago. i bought my comp in april 2006. i like. its been going really fast but when that happens idk whats happening.