*cries* I'm saaaad!!!!

I hate my stupid comp! I need more ram so I can play WoW the way it needs to be played. I can only do certain things, get to certain levels with what I have. ACCCK! Stupid 256 ram comp. Hey, I want more, how much can I have? Can I add what, 512 to it? That'd help, right? And a gig? I know I'm stupid, but how much is that? That's what I want, I know it's a lot more than I have now, but I'm not sure how much. Someone tell me?