Here's a roundup of Asus' A7N8X, Leadtek's Winfast NCR18D-pro and Epox' 8RDA+.
It seems that the Asus and Leadteks won't automatically unlock a CPU. Note how this poor fellow didn't unlock the CPU for an OC roundup of tests.
A7N8X is the only one offering raid SATA (but who cares?).