I've been kicking around the idea of a new class d amp as well and was hoping you'd get some responses from the more technically astute members here. I've just been thinking class D vs. specifically ICE modules.
Unfortunately I haven't heard either of the two amps you ask about.
I listened to a B&W CM9 based surround setup at a dealer powered by a Rotel 1575, which is a class d amp. It had plenty of juice to power the B&W's to listening levels too loud for me. I would think you'd be able to find a place to audition locally.
Pioneer has added two class d powered receivers to their lineup, as well as the elites which have been sold for a while. If you wanted to listen to class d amps I'm sure you could find them around.
Audio Research, Bel Canto make class d amps. Cary & PS Audio have made them in the past but it looks like they don't any longer.
D-Sonic is another boutique ID brand that makes class D amps. I've never heard them. Apparently some are ice powered and anothers are not (at least thats what I read in a review)
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There are also a lot of inexpensive pro amps using class d now such as Crown, Behringer, Peavey, however they're probably using their own designs and not B&O modules.
HTH