title: What are the benefits of using Roslyn - compiler as a service
body: <p>What is CaaS (Compiler As A Service) in regards to the Roslyn project?</p>
  
  <p>How does using the Roslyn feature improve the performance of a C# application over the current C# 4.0 compiler?</p>
  
  <p>What are the known limitations/issues in the Roslyn-CTP?</p>