If you love solving those newspaper sudoku puzzles then you would also love playing the fast paced version of the game online at SpeedSudoku. It is a new site dedicated to Sudoku fans where they can play sudoku against others online. Users could also interact with various sudoku players around the world, participate in the forums and shop for cool sudoku goodies.
This is also a good site to understand Sudoku and how it is played. The Instructions page at SpeedSudoku has elaborate instructions on playing the game and various techniques associated with it. It also contains a series of videos which explain the game in detail. Below is the first video in the series.
Check out SpeedSudoku@ www.speedsudoku.com