I use MEP10, but have only used it as an editor, not a DVD authoring package. For DVDs I always export as MPEG2, setting the compression parameters to what I need first, then use DVD-Lab or Nerovision to author and finally use Nero to burn the DVD.
Fav quote - "Experience is whatcha don't get 'till ya don't need it no more."
System - Athlon 1.4GHz, Win98, Hauppauge PVR250 receiver and compressor.
Software -Magix Movie Edit Pro 10, Nero 6 + NeroVision Express, Moho 4.61, PSP 8.1, Bryce, Quicktime 6.52 pro, Goldwave 5, DVD-Lab.
Cameras - Panasonic GS9, Canon ES8400V, Canon EOS D20 and Canon A70