The next episode of Becoming a Jedi is now live and covers code cleanup. Specifically I look at quick fixes, context actions, safe delete, and reformat code. You can find it here:
Streaming: Becoming a Jedi – Part 2: Code Cleanup (requires Silverlight 1.0 or higher)*
Download: Becoming a Jedi – Part 2: Code Cleanup (via Live SkyDrive)
Enjoy!