Which vehice to get?

[RC-Monster Mike]

First, I would like to welcome you to the forums!
Now, onto your questions:
The G-Revo is due in mid November, so if you are willing to wait, this should be a nice vehicle that will offer good durability and excellent handling. I would suspect it to be a nice bashable and raceable ride and should suit both duties extremely well.
If you are into doing a conversion, I agree that the MGT is a nice vehicle to do it with. An E-maxx is among the best all around vehicles in my opinion as well (my favorite truck is my g-maxx), and can be hopped up to almost no end. It can get a bit expensive, though! Worth every penny in my opinion! I would put my e-maxx against anything in terms of durability, handling, performance and just pure fun! It is, however, far from stock!