mark i need to pay for vegas, i got only premiere.

i am doing the following :

convert my vob to mpeg-2 ( with mainconcept encoder )
then use my mpeg-2 in adobe premiere
lost my way in exporting ( was trying to make it to a dvd )

as i read in the forum, working with uncompressed avi gives best results. but couldn't find a way to make my vob to uncompressed avi ( tried dvd2avi but i can use only codecs in there ). am i missing something ?