I can't get HDX download to work. If I try to do it in Chrome it starts installing Adobe Air (already installed and used by Pandora) fails and won't go any further. In IE9 it installed VUDU to Go and when I asked it to download one of the
Prometheus deleted scenes it brings up the VUDU to Go dialog which tells me that I don't have any downloads and when I choose the "My Purchases" tab
Prometheus doesn't show up.
Prometheus is the only thing I own that it will stream to PC in HDX. I "own" a 10-minute preview of
The Debt which can be played in HDX on other devices but only in SD on the PC.
EDIT: I finally got something HDX to download (a free preview of a television show). First it told me that I had too many devices activated, so I dropped my Xbox from the list; then it told me that my display wasn't HDCP-capable

. It's an HDTV connected via HDMI but I suppose that the motherboard graphics of this PC doesn't support HDCP. Whatever.
HDX in the web browser player's not bad, but of course you can't get digital surround out of that.
EDIT EDIT: I got that "won't play this in HDX due to copyright restrictions and your display/output not supporting HDCP" message for one thing in the web browser player. Curiously it was one of the extra features of the
Prometheus package ("The Engineer Speaks") when it had no problem with me playing the actual movie in HDX in the web browser player or the other extra feature ("The Final Battle").