alright i got the flagship model from Yamaha and am having issues with DTS. Playing a HDDVD or normal DVD with sound option set to DTS i get this loud poping sound. I have swapped out DVD players, changed cables, unplugged the cable modem that is sitting next tp the stereo rack. All these things to no avail. Heck i even took the reciever into a tech and had them change out the entire digital sound processing board this still didnt work. my only option i have left is the speaker wire. Which i doubt because when watching DVDs in DD or THX or any other setting besides DTS this problem doesnt occur.