About to order a new iMac 24". Going for the faster (2.33Ghz) processor and was considering the faster GeForce 7600 video card with 256Mb ram. My dealer (whom I have a long history with) has recommended AGAINST this, as he says that it does not really increase performance at all. My main usage is fairly basic and I don't really run games. I was thinking more of future resale value. Is there any reason to go for the faster video card?