I have been busy refactoring the Registry Editor, converting it from hack to architecture. As I plan to release the source code for it, I want it to be well-structured and easily extensible (I don't think I'll do editors for all registry data types). Can't wait for VS.NET 2005 where refactoring will be built in, though you can easily get ReSharper today. Online resources aside, the Refactoring dead-tree edition from Fowler should sit on every developer's bookshelf.
To close this post, one more screenshot of the Registry Editor in action - the menu: