The Crysis demo is awesome. Hope you all have had a chance to try it.
Here's a tweak that actually makes this games graphics even better. Apparently, this tweak will implement DX10 stuff in Windows XP, which has folks pissed off because Microsoft has said that only Vista will run DX10. An interesting read even if you aren't trying the tweak:
http://www.actiontrip.com/link.phtml?http://www.crysis-online.com/forum/index.php?topic=11837.0#msg203789And yes I have tried the tweak, it does work, and the water is amazing, light rays are cool too. Shadows were much more pronounced etc. Page 2 of the thread above has downloadable config files.