Yesterday I received my OCZ 4000EL 2x512 sticks and put them to the test. I got 292fsb 1:1 at 2.85v. Here's the benchies:
CPU-Z
http://radelon.home.mchsi.com/el4000/292cpuz.gif
Sandra Unbuffered
http://radelon.home.mchsi.com/el4000/292unbuff.gif
Sandra Buffered
http://radelon.home.mchsi.com/el4000/292buff.gif
PCMark2002: 12,591
Wahoo!!!!