I figured I would share the 2 graphics mods I'm running with crysis that give some just stunning results for realistic graphics.
First off I'm running the Natural Mod for Crysis which can be found here-
http://www.crymod.com/thread.php?threadid=14195 .
What does the Natural Mod add to Crysis?
•realistic atmospheric lighting
•realistic dusk and dawn
•realistic ambient fog
•realistic sun
•realistic night
•realistic moon position
some SS of it's results-
before

after

before

after

Next is the Crysis Extreme Quality [1.34] TOD mod found here-
http://www.crymod.com/thread.php?threadid=31242What does the Extreme Quality [1.34] TOD mod add to Crysis?
•Increased lod distances on terrain, vegetation, sprites & shadows.
•Increased water reflections distance and quality & tweaked the update
distances.
•Added "sys_spec_Full" to force all other cmds not in the config to
very high.
•Increase battle dust range in meters.
•Optimize particles & physics.
•Tweaked shadows & ssao varibles for best visual lighting.
•Solved many artifacts with lod & shadows with vanilla settings.
(ie; screen flickering, terrain, water, and shadows updating)
•Better water reflections, waves, & update distances.
•Better detailed mountains and surface terrain.
•Better shadows & post processing effects.
•Better view distances.
•Better bump maps.
•Better HDR effects.
Running these two mods yeild some very impressive graphics, and are not for the weaker computers here. I average about 25 fps running these mods at 1920*1200 resolution. My system specs are-
Processor: Xeon quad 3220 OC'ed at 3484 mhz
Motherboard: EVGA 750i FTW
Cooling: GIGABYTE G-power 2 Pro cooler
Memory: Ballistix 6gigs (2*2gig/2*1gig)DDR2 800/4.4.4.12 @ 1008/5.5.5.15
Video Card: EVGA GTX280 OC'ed to 671core/1444shader/1148memory
Harddisk: WD RaptorX 150GB
Software: Windows 7 RC 64 bit