Here is SparkPong, I made it with a decent and simple AI. You can change the speed of the paddles and the ball, as well as alter the difficulty of the AI.
Enjoy
Picture: http://i472.photobucket.com/albums/r.../SparkPong.jpg
Download Spark Pong.zip
^ That includes the game and full source code.
Please give me feedback as well, I would appreciate some constructive criticism.