I would use Premiere over Vegas any day. Mainly because colleges, universities and everywhere else pretty much laughs at Vegas just like FCPX. It's a good starting point when switching from Movie Maker to actual editing software. But it's still not quite as good.
BBC, CNN and ITV use Premiere for their TV shows
But Avid is defiantly the way to go I'm getting it soon because I can get the student discount
I've always had the Master Collection and I've just moved over to the full collection of CC

Great software. Well apart from Illustrator, I feel like that could be improved.