Which Class D Amplifier? PS Audio, Ghent, Nord, Merrill or other???

+1 to Nord
I have the Nord One UP NC500DM stereo amp and it outperfoms in EVERY field my previously beloved 300B valve integrated (use as a power amp) Line Magnetic LM-508IA, wich is a very nice class A valve amp, very popular among audiophiles and cost almost 3 times the Nord. 
Besides that, if you are in UK, may be you can visit Colin to test his products.

Avoid Class D like monkey plague!

Good nod for Merrill, LKV Research, and we personally own Wyred 4 Sound SX1000 Monoblock amps. They have been great for me and our Magico A3's. They have been very reliable and affordable for the performance they give. The SX1000R's are even better. The LKV integrated also offers a lot for the $$ too.

jburidan.

"Avoid Class D like monkey plague!"

On what do you base your opinion??????

I reviewed the Benchmark Media DAC3 DX and AHB2 Amplifier for dagogo.com. The amp is superior to all the class D amps I have tried/reviewed in the past. Superb cleanness, resolution, highly commendable sound at a very reasonable price. It also has a gain feature that allows better matching with speakers than the class D amps I used. Note that it does not have RCA inputs, and uses either Neutrik and Benchmark cables, or Pos/Neg posts for alternative cables. I discuss this all in the review.