@millercarbon ... Hmmm...I respectfully disagree. I had a Raven Nighthawk MKIII over here on my 90db speakers and regarding the "slam" that the OP wants, it fell flat on it's face. It sounded anemic and thin. when I told the manufacturer why I was sending it back, he suggested that I didn't have the subwoofer bypass switch on in the correct position, but I did.
To the OP... My Hegel Rost has "only" 75 watts into 8 ohms but it has tremendous grip and oomph in the low end. Tons of slam, IMO. I'm sure the damping factor of over 2,000 has a lot to do with it. In the end, the Raven was no match n pretty much every regard.
Now, before I get slammed for my comments about the Raven, I have to say that during my research for the Hegel's replacement, I read many glowing reviews of ravens products, specifically the Nighthawk MKIII. It was in one of those reviews that I heard someone replaced a very high wattage solid-state amplifier with the Nighthawk and they were very happy. The manufacturer said something in a video that it sounds like 100 solid-state Watts. It was comments like these that made me pull the trigger.
In my system, on my speakers, to my ears the Hegel out performed the Nighthawk tremendously. I don't mean Justin slam and bass and grip and oomph, etc. No, in pretty much every other regard, (detail, midrange, soundstage, low noise floor, etc), I preferred the Hegel.
I purchased mine brand new from a dealer for less than half its retail, so the deals are out there.