I'm sure his Mac just crashed because they're all peices of crap. Why the hell would a Mac user be at this site anyway? HL2 might be a little much for one...
refresh lines.
Try Changing the refresh rate through windows display properties. When you move your mouse what you're seeing is the image of the pointer being refreshed many times over, giving the illusion of movement. Likewise the animations you see. If you refresh at 100Hertz, you will see a...
If you're under 350 Watts of power and you want to run the newest video cards (5900 ultra) and high powered devices go for it. It's normaly not nessesary, you can get some good case/power supply deals.
I agree, NVIDIA won't be behind long. Hell, they're already making new cards as we speak. I think I'll wait a while and see if the 5900 ultra is worth it.