I thought the Elac room sounded pretty good for a hotel room - they brought Elac Concerto S507 - 7 driver small tower speakers. They hit all the notes, and sounded amazing down low with four 6.5" side firing drivers. And the Krell/Estalon combo was amazing. The engineer claimed it could 1600 watts into 2 ohms all Class A. Not sure if I believed that, but it sure did sound good!
I was shocked to see the 801D4 in a tiny hotel room. There was a line and I didn't bother waiting (no way were they going to sound good). Also disappointing I would say the Dynaudio room. Just didn't sound full like the other rooms were. Being next door to a phenomenal Focal setup probably didn't help them either.
Best part of the show, though, was doing something normal after two years of lockdowns.
-Geoff