Awesome, good luck! New to C# in January '16, I have been using both from day 1. The test runner in RS is an improvement on the built in, but doesn't really hold a candle to NCrunch. You use Resharper for all the other good bits though :) Together, the trifecta of Studio, NCrunch and Resharper is an unbeatable combination.
Beware: I'm pretty sure I failed a job interview as I was so used to Resharper, when I needed to do a test on a PC without I was fairly lost. They had no interest in my setting up unit tests first for the programming tasks so it might have been just as well.
Will try reshaper as well before deciding to buy any of them.