The Xeon 5500 series is, you mean? They perform a lot better than the standard chips, too, though, so that's awesome.
Yup.
Xeon Workstation Parts:
Dual socket
W5580 3.2GHz, 1333MHz ECC mem, $1600/1k pcs
I was ignoring this one, but I goofed the numbers a little. Got the 3 and 5 mixed up.

Really a server part, IMO, given the dual socket. Just clocked higher.

The X5570 is 2.93GHz, and is the fastest part of the 5500 series listed in the current
roadmap.
Single Socket
W3570 3.2GHz, 1333MHz ECC mem, $999/1k pcs
W3540 2.93GHz, 1066MHz ECC mem, $562/1k pcs
W3520 2.66GHz, 1066MHz ECC mem, $284/1k pcs
These should work nicely in an ASUS
P6T6 WS Revolution board, if a second CPU isn't needed.

According to Asus's specs, it will support these and the associated ECC memory.

I like the layout and the available slots too.
Now if Intel would only deliver the parts,...
