Interesting article, the inital discussion compares uncompressed PCM to the Dolby TrueHD & DTS-HD MA but further down it compares the lossless and lossy schemes.
http://www.hemagazine.com/node/Dolby_TrueHD_DTS-MA_versus_Uncompressed_PCM

Now I'm swaying back towards getting a PS3 + one of these (instead of a stand-alone with internal decoding):
http://ir2bt.com/

-John