I have the PS3 and Xbox HD-DVD add-on. Personally so far I have been choosing to watch a HD-DVD over Blu-ray via my Netflix queue. I have the PS3 connected with HDMI(directly to the tv) and the Xbox with components through my reciever but I've seen better quality thus far with the HD-DVD. It could very well be the movie production as I've see huge variations in quality with both formats. Superman Returns on Blu-ray was a huge dissapointment.

My HD-DVD passes DTS over to my reciever. I play the Eagles Tour in Melbourne video disc in the Xbox HD-DVD player and my reciever decodes it as DTS. AMAZING sound!!

HG Cherry M80's, QS8's, VP150, and a pair of EP500's