WorldBench
WorldBench uses scripting to step through a series of tasks in common Windows applications. It then produces an overall score.

The P5Qs start to come into their own in WorldBench, where they slot nicely into the middle of the pack. Interestingly, the DDR2-equipped P5Q is a hair faster here.

Gaming

Gaming seems to suit the P5Qs, although frame rates are pretty close across the board.