I think Class D is as good as many Class A or AB designs. It may sound different, as some amps will sound different to each other regardless of the technology. Some may also deal with different speakers differently, just like Class A/AB designs.
I think there are some very affordable great sounding Class D amps right now. Please skim this thread for a number of good suggestions, and listen for yourself.
My Class D monoblocks sound as good as mega-buck class A amps to me.
Let’s say my hearing is impaired (for argument’s sake). Why would I buy anything more expensive I don’t hear an improvement for? :)
Best,
E