Trying to figure out what to do
I have a 2011 specialized vita bike that I use for commuting just about year round and also for short tours. It needs a whole new drive train. Which the guy at the bike shop says should run me $200 dollars. he said the shifters are near the end of their life and the front hub is causing vibration in the fork. Which is all fixable. His suggestion was that I might want a new bike (his suggestion Giant Escape or Liv which the store he works at sells). His reasoning was that if you are going to put $300.00 into fixing this bike up you might want to spend the difference and have a brand new bike. So I would have no issues for a few years. That being said it is hard to make up my mind in such a short time as I am going on an overnight bike ride in two weeks and was not planning on buying a new bike right now. I was never under the impression that bikes are a disposable item, but that is how this whole idea is making me feel.
So I am not asking what to do. I am asking what would you do and what is the reasoning behind it.