At 28 minutes, Happy Feet stops playing on my player. When I see that time come up, I have to skip forward to the next chapter or it dies, and I have to turn it off and try again. The Children of Men HD DVD has also given me a lot of grief. I'm kind of getting sick of the combo discs. I'm paying more for them even though I only care about the high-def side, and they seem to be causing issues for a lot of people.