Originally Posted by Jani

no

nero / nero start smart wont convert to dvd

first you have to convert your avi/wma/etc to dvd compatible mpeg files (converting/encoding)
then you have to convert those to .vob files(authoring)
now you go do nero, and burn the vob files as DVD-Video(burning)

I dont have naervision (its not part of the main nero suite), but i guess it would do the converting an authoring in one step.