You know, I figured I'd already had my fair share of Xbox 360 HD-DVD playback problems
with what happened recently, but it seems I'm not that fortunate. Last night my wife and I sat down to watch a couple more episodes of Heroes, this time on disc four. I put it in the drive, it started to play the Universal HD-DVD splash screen, then it bombed out and displayed this instead:

As any geek knows, the "Wife Test" is critical for high-tech electronics in the home. When my wife saw that screen she declared "Ok, the HD-DVD drive sucks!" I hate it when my technology embarrasses me, but I jumped into troubleshooting mode, ejecting the disk and putting it back in again - and this time it worked. If
this forum post is to be believed, error 0xC6670001 is an "XPLAYER_E_READ" error. And others are having exactly the same problem with
exactly the same Heroes disc. What exactly did Universal
DO to this boxed set to make the discs so flaky when played on an Xbox 360? My confidence level with the Xbox 360 and HD-DVD discs is at an all-time low - when you can't rely on your technology to perform, you start not wanting to use it...