I am currently trying out Amazon Music HD.  When I listen to it through my headphones or car stereo (Bose equipped), not much difference in sound quality when comparing it to Pandora.  However, when I tried it out on my Denon connected to Goldenear Technology speakers... holy @$1%, I was like... gimme some more FLAC.  I was about to subscribe to them until...  I realized that Pandora's stations are MUCH better.  With Amazon, I spent more time skipping their "B side" music than listening to music.  Their apps are also not as simple as Pandora's.  Pandora, offer FLAC, please.  I have a decent home sound system and I want to enjoy some high quality Pandora on it. ... View more