Just a quick success story for the doubters:

Just got a ud3p with a C1 q9550. Pulled out the old board, slapped in the new ud3p, and stuck the fuzion water block on the q9550, powered on, went into the bios, set the fsb to 400, and installed vista ultimate 64. The ONLY change I made was to set the fsb to 400, and to set my 8g (4x2g) 1.8V g skill pi's to 400 (2.00d) and boom done. I now have a completely stable 3.4G quad with ddr2-800 running 1:1 with the fsb. WOW was that easy and what a fast machine.

This is the best mobo I've EVER installed. Beats the old evga 680i/Q6600 combo hands down.

]Monty[

PS anyone want to buy a evga 680i SLI A1 with a q0 q6600?

oops I need to update my sig