I ordered one too, seems to be working great! It's really solved every nitpick I had with the 650i P5N-E SLi, and the updates are definitely welcomed... I hated that the 650i mobo cooling was passive, and didn't have an attachment fan... Now it does. I hated that the P5N-E SLi didn't have holes on the side closest to the mobo connector and HDDs, made putting in cables and memory bend the board... Now there are mounting holes. I hated that it had that little SLi card in there for determining single or dual video cards... Now it's gone. I hated that it didn't have 7.1 audio (though I have an X-Fi), but now it does... WITH optical output... I hated that the southbridge didn't have a heatsink... Now it does... I hated that the old one had no support for PCI-E 2.0 or x16,x16 sli, now it does (or will with a BIOS update later)... I hated that it didn't support 45nm quads, but this one will with a BIOS update sometime in the near future... Anyway, everything that sucked about the P5N-E SLi has been fixed in my opinion... This seems to be a stable, matured version of a good board, which now makes it great. I definitely recommend it...
My box:
ASUS P5N-D 750i motherboard, Core 2 Duo E6600 2.4GHz @ 3.0GHz, 2GB Corsair XMS2 DDR2-800 RAM, nVidia eVGA 8800GTS g92 512MB Graphics Card, Seagate Barracuda 7200.10 320GB hard drive, Creative X-Fi Fatal1ty sound card.