I beg to differ. I'm using an EPIA M1000 with a PVR250 and have smooth video, even while recording, with low CPU usage. You need a MPEG2 decoder that can use the EPIA's DVD hardware assistance. The one I'm using at the moment is the Sonic Cineplayer DVD Decoder pack.
You can get them at
http://www.microsoft.com/windows/win...ins#DVDDecoder