Avia, Video Essential - those are the two that do audio and video. Dolby has some stuff for audio only. However, does anyone have a disc that includes 6.1 or 7.1 audio setting, that is including the rear surround? I see that there is a 'Digital Video Essentials' comming out - I cannot find out whats on that at all - in a few weeks we will see, I suppose. Avia's site indicates something new, a -pro version - but guves no info on what will be on it either. Is there some 3rd or 4th party I have forgotten. I'd like to buy a single disc to cover the audio and video setup on a 7.1 system and a future 16:9 HDTV display.