With ReSharper, code review is actually easy. After all, the inspection markers that show errors and possible improvements are shown everywhere and are hard to miss.
If, however, you want to inspect all issues at one, there’s a way to do that too – simply choose ReSharper | Inspect | Code Issues in Solution/Project. This will show you a tree that groups the issues by type and lets you drill down right to the particular instances:
Bearing in mind that each ReSharper inspection option is configurable from the Options dialog, what you get is effectively an automated code review process.