i have no experience with either of those units, but i would guess that the H/K would have the better reputation. i have used an H/K 130, and was impressed with its features, functions, and overall sound. there is no doubt that the pioneer elite series are better than the standard pioneers, but i just think it would be smarter to go with the H/K.
and dont be fooled with its lower wattage rating. the H/K's are commonly under-rated, and have been proven to be more stable with a higher power output while multiple channels are driven.
i honestly think you have just as good a chance of being satisfied with either one of those receivers.. but just on reputation and performance alone, i would get the H/K..
just my opinion.
bigjohn