P6T or P6TD Deluxe

Hello everyone, im about to order my parts for my new rig and im looking for some advice, here is my rig to be

Antec 1200 Full Tower Case + Antec CP 850W Modular PSU - "Exclusive Special Offer Bundle

Intel Core i7 920 2.66GHz Socket 1366 D0 stepping 8MB Cache OEM Processor

ASUS P6T iX58 Socket 1366 8 channel audio ATX Motherboard or Asus P6TD Deluxe X58 Socket 1366 8 Channel Audio ATX Motherboard?

Corsair 6GB (3x2GB) DDR3 1600MHz XMS3 Dominator Memory CL8(8-8-8--24) for i7 Motherboards

THERMALRIGHT True Black 120 Rev.C Micro Heatsink

i plan on overclocking my cpu high as possible with safe temps and will eventualy go crossfire when the 5870s get cheaper, 2 cards is most i want in future too, if that helps with mobo choice? also i cant seem to d/l english list of compatible ram for either mobo, only letting me d/l chinese version, no good to me that lol, so if anyone can confirm this ram is ok i would appreciate that, hope my heatsink fits too, Has anyone had experience with this combo of mobo and heatsink? will i need mod anything to make it fit? im pretty sure ram and heatsink is ok but nice to know for sure? but main thing is which mobo to buy? thanks in advance to anyone who replies
catch u all l8rs