あとは、どの程度使えるかなんだけど・・・
Compatible API:
ADO.NET 2.0 API for accessing databases.
ASP.NET 2.0 API for developing Web-based applications.
Windows.Forms 2.0 API to create desktop applications.
System.XML 2.0: An API to manipulate XML documents.
System.Core: Provides support for the Language Integrated Query (LINQ).
System.Xml.Linq: Provides a LINQ provider for XML.
System.Drawing 2.0 API: A portable graphics rendering API.
Compilers:
C# 3.0 compiler implementation, with full support for LINQ.
Visual Basic 8 compiler.
ともかく使ってみよう。