@Ares: just wondering...why USB 3.0, SATA 3.0? Is it for future proofing? And btw, it they backwards compatible with USB and SATA 2.0?
If its just between the P7P55D and the P55 UD3R, which one would be the best bang/buck?
well, yes usb 3 and sata 3 is for the future proofing. both are backwards compatible, and even if they werent, there are still usb 2 and sata 2 on the board. for the board, i wouldnt get either, and i would pick up this combo: