If you are in need of a little motivation to convince you to upgrade that aging graphics card of yours, this nugget of information will be of interest. The folks at incrysis.com have a high-def video of in-game Crysis footage available for download.
As good as the video looks, it still doesn't do the graphics justice. We've seen multiple live demos of the game in action first hand, and have been thoroughly impressed each time. If you thought the crew at Crytek did a good job with the visuals in FarCry, wait until you check this out.