Overall, a good review, I thought. But I had to laugh at this understatement:
"The EOS 50D and to a lesser degree the Nikon D300 are more heavy handed on the luminance noise which results in cleaner but also visibly softer, slightly less detailed images."
Check out the Canon results, "
slightly less detailed images?" Hmm . . . I'm not anti Canon--they're just making software choices based on their philosophy, and there is a logical aesthetic there--I just don't see why the understatement.
Pentax K-7 Review: 29. Compared to (Higher ISO): Digital Photography Review
Besides, if you're strongly opposed to luminance noise and you want this washed out high ISO in jpg, can't you up the in-camera NR? What does this section of the review add? NR has been shown already in raw and jpg. It's funny. Most sections of their reviews are so carefully done, but as someone already mentioned earlier in this thread, they toss in this jpg-heavy measure of IQ, even though they carefully and, I think, accurately show raw results and accurately describe NR settings that allow you to customize NR in jpgs.
I also wish the weather/temperature advantage were a bit more forefront. That's a big plus (I don't think the cold-weather advantage was mentioned).
Anyway, glad to see the review.