As I recently reported about the usage of SLI without the bridge connector, we now have benchmarks of a 7800GTX SLI rig without using the SLI bridge connector and with it. Hardspell has the full story of just how much you give up by running "soft" SLI without the bridge connector. Tests were performed using Doom 3, 3DMark 2003 and 05 as well as PCMark04.
View at TechPowerUp Main Site
View at TechPowerUp Main Site