The guys at Phoronix have gone over the numbers for Intel's Clovertown + FB-DIMM performance. Two Clovertown's plus eight sticks of RAM certainly gives you one helluva workstation...

"With two Intel Quad-Core Clovertown processors and eight sticks of Kingston FB-DIMM DDR2 we set out to see the level of memory performance in an octal-core environment. We had tested the memory in single, dual, and quad memory channel configurations."