Good discussion indeed. Just a point of clarification: If a disc has a DTS HD Master Audio or DTS HD High Resolution Audio soundtrack, it still contains the "Core Only" data. So if you have a player like the XA2 that can decode "Core Only" it will extract this data from the main DTS HD soundtrack and transmit that at a maximum of 1.5 Mbps and 5.1 channels thru HDMI or analog. If, for example, you upgrade in the future to a receiver that can decode DTS HD Master Audio or High Res Audio, you can send this to the receiver using the XA2's HDMI 1.3 port and get full resolution and 7.1 channels. BTW, I have my XA2 connected by 5.1 analog to my Rotel preamp/processor and the Dolby TruHD soundtracks are outstanding.