The core mission of Roslyn : opening the black boxes and allowing tools and end users to share in the wealth of information compiler have about our code ,
Compiles become platforms - API that you can use to code related tasks in your code and application
Anyone can build code analysis tools.
Opportunities for innovation in which areas ?
1. Meta programming
2. Code Generation and Transformation
3. Interactive use of C# and VB Languages
4. Embedding of C# and VB in domain specific languages
Roslyn and Resharper
Looks like resharper will not exploit Roslyn for short term. I am glad that lot of people complaining about the performance impact of Resharper. I know so many people who will not use resharper because it slows down the performance.