Notes on this are that the card uses 512MB of DDR3 (256 per GPU) and will require a special motherboard. Of course we saw Gigabytes dual 6600 require a special motherboard, but it did run on our ASUS SLI board just fine. So time will tell.
More Dual 6800 Ultra Pics!
You need to stop by HardOCP to see the updated, hi resolution photos they have coming in from CeBIT of the Asus dual 6800 Ultra card — two 6800U GPUs on a single card??? Outrageous.