Congrats Slimpi.

Class Ds are awesome.
I've been running an Axiom ADA1250 my self for the last year and never once has it even got warm to the touch, that's running it all day at moderate to loud volumes as well. I'd suspect the Anthem to be much the same. Plus its compatibility with your pre output is probably a large plus as well.

Plus the best part they run silent with out those pesky fans making way to much noise, my previous power was a Pro amp with an extreme fan hum