HEXUS posted a review on the ASUS P5W64 WS Professional

Evolving the ASUS P5W series of mainboards to what we presume is its pinnacle, the P5W64 WS Pro seems to be almost the perfect mainboard for the power-hungry high-end PC user that wants to run Core 2 Duo or upcoming quad-core 'Kentsfield' processors.

ASUS P5W64 WS Professional - The board with four PEG slots