I seem to remember that last time this topic was discussed, somebody recommended the Plextor ConvertX, at the time, I was struggling with the Dazzle, I can't now remember what the problem was.
I've used the Plextor since, even using it to store some prerecorded videos to hard disk, acceptably: using the little SCART adaptor that removes the copyright protection.
In fact, only last week, I put videos of 4 of a friend's wedding VHS's (One already transferred from 8mm)on to DVD to universal satisfaction. The only thing it points out is how poor the VHS picture quality was: you can't put back what's not there.
The model I have is superseded by the ConvertX PX-AV200U, which according to their website is compatible with Vista.