I've calculated how much it would come up to for both the 20" and 24" with upgrades of 2 GB Ram and the video cards. There's a few hundred dollars of difference between the two, and personally, the size doesn't bother me at all. I've got a 17" monitor right now, and getting the 20" iMac would big enough for me. The only reason I wanted the 24" over the 20" is because of the better graphic card. Now, I'm not an extreme gamer, but I do like to play games sometimes. I still play an old game like Diablo II, and I play Doom 3, UT2k4. I know with the video card in the 20" won't last me forever, especially with future games that will come out, but like I said, I'm no huge gamer...so it doesn't bother me too much. At the moment though, for games like I just mentioned, Doom 3, UT2k4, or other current game of that genre, would the 20" with the upgraded video card suffice? Is there that big of a difference? Because the difference in price is around 500$, which is quite a lot for me. So basically, I guess what I'm asking is, would the 20" with upgraded VC perform well enough for the current games on the market?