There’s an interesting philosophical GUI-design question which is promulgating amongst Mac-development forums.  That is, the question of whether to use palettes or drawers for displaying relevant or sub-information to the current selection in a window.

You can read more at:

• The Flying Meat board, including this post
• Gus Mueller’s blog (where it kinda all began)
• Oreilly’s madevcenter.com

Ultimately, I think both can and should be included in a solution.  There are pros and cons to both.  What are your thoughts?