
One of the best things about resharper has to be the code refactoring. Anyone who has ever had to work in Visual Studio with a big project with a lot of dependencies knows that refactoring is anything but easy, but ReSharper changes that.
The on the fly code analysis is another thing I used to use quite a bit when I was starting, seeing how it tells you ways of improving your code Review collected by and hosted on G2.com.
In big projects the code quality analyzer cand make it so the interface feels slow, autocomplete takes a while to ... well.. autocomplete. Must be the only thing I dislike about ReSharper Review collected by and hosted on G2.com.