There is some good news for some of you SLi users and Crysis players in general, ForceWare 169.09 is out; it supports SLI for Crysis.

Notes:

* Beta driver for GeForce 6, 7, and 8 series GPUs.
* Recommended driver for Crysis.
* Several game and application compatibility fixes. Please read the release notes for more information on product support, features, driver fixes and known compatibility issues.

This driver:

o Adds SLI support for Crysis
o Fixes a water reflection bug in Crysis
o Adds Control Panel anisotropic filtering support for Crysis

With this driver, SLI will deliver 40-50% speedup over a single GPU for Crysis. In addition, Crytek will release a patch in the next week or two that will improve SLI performance further.

Download:

ForceWare 169.09 XP 32-bit
ForceWare 169.09 XP 64-bit
ForceWare 169.09 Vista 32-bit
ForceWare 169.09 Vista 64-bit

Hope this improves performance!, come back with results if you want