I used DVD+R DL. Maybe it's the speed. I burned at 4x even though the disc is rated at 8x. They are Verbatims. Not too many places carry the DVD-R DLs. But it works fine once I used Shrink with everything maxed out and deep analysis. So at least I have that to watch and enjoy on my Momitsu at 1080 on my 56" DLP.