I think I would start here:

http://www.geekatplay.com/vue9/

These tutorials start pretty much from the beginning and are so recent that most of the features apply to Vue 10 as well.

If you want to get into creating landscapes quickly, you might want to have a look at these tutorials (they are made with version 8 so some minor adjustments have to be made):

http://www.geekatplay.com/epiclandscape2/

This might be a bit simplified but if you want integration with other software, you would chose Vue Xstream.  If you are new to Vue, the Infinite version is more than adequate.