Hi, I just got a new Sony Vaio computer. It has a 2.2 Ghz P4 CPU, 512 MB RAM, and some 32MB integrated SiS 650/740 card on it. Q3 only runs about 30FPS and I really want to take advantage of all the CPU power, so I am looking for some advice on a new video card. I want something inexpesive ($150...