Want to see what C#4.0 has in store for us?. Then check out this video conversation with Anders Hejlsberg and his team about the future of C#. http://channel9.msdn.com/posts/Charles/C-40-Meet-the-Design-Team/
Want to know how C# evolved through the years? Here's a fascinating chronology and also some predictions for the future. Check it out. http://msmvps.com/blogs/jon.skeet/archive/2008/02/05/c-4-part-1-looking-back-at-the-past.aspx
I'm sure many of us are addicted to the new game Sudoku. Here's a program which uses the new Microsoft LINQ technology to solve Sudoku puzzles. Check it out! http://www.codeproject.com/csharp/SudokuSolver.asp