Help! Need Crossfire Motherboard Suggestion

I would really appreciate any help or a point in the right direction.

In short:

I just purchased a second XFX Ati Radeon 4890 GPU planning to run it in Crossfire. After much trouble getting it to run, I figured I had faulty crossfire bridges because it showed up on CCC (first card was listed as primary adapter and second as disabled adapter. there just was no crossfire option), GPU-Z, device manager etc. Then I finally realized you can't run crossfire on an Nvidia SLI board.

Can someone please recommend a motherboard for me or a better solution.

My system specs:

CPU: Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz Socket 775
Motherboard: XFX Nvidia 680i LT SLI
Memory: 4 Sticks of 800Mhz Ram
GPU: 2 XFX Ati Radeon 4890
Hard Drive: Western Digital SATA 7200 RPM I TB Internal
PSU: Zephyr MX 750W
Monitor: Sceptre 24 in. 1920X1200
Internet: D-Link DWA-552 XtremeN Desktop Adapter
Drive: Sony DVD RW Drive
Sound: Logitech G51

Thanks a million

Hi.

If you can find one of this:

http://www.asus.com/Motherboards/Intel_Socket_775/P5E_Deluxe/#CPUS
http://www.asus.com/Motherboards/Intel_Socket_775/P5E3_PremiumWiFiAP_n/#CPUS
http://www.asus.com/Motherboards/Intel_Socket_775/Rampage_Extreme/#CPUS
http://www.asus.com/Motherboards/Intel_Socket_775/Rampage_Formula/#CPUS


All those support your current CPU, keep in mind that you will need a clean installation and I'm not sure that your PSU can handle that Crossfire.

You should get a quality psu certified for crossfire.