Vegas is very good, but it's a lot of bucks unless you're doing the lighter versions. A while back I got into Movie Edit Pro and it's been really powerful-

http://www.magix.com/us/movie-edit-pro/

MEP 17HD for a mere 60 bucks is, well, unbelievable. Nothing light about it- full blown powerhouse. In many respects, it completely blows Vegas away and I like Vegas a ton. Good luck- video is a tall order if you have no experience with it. Be patient, hang in there.

Dan