I too would choose the HK over the Denon. I replaced a Denon AVR 2801 with the HK 525 (same as 325, but more power). Sure, the Denon was a few years old, but i tested the 2803 at a dealer and while not side-by-side, the Hk was the superior receiver and came much closer to fitting my needs.
Glad to see a company compares so many instead of the usual "shootout" in the mags where EVERYONE'S A WINNER.