Dock improvement
There are a number of things I would like to see in Leopard, missing from the WWDC build. I think I’ve come up with an OK idea for adding some of the functionality of the windows taskbar whilst keeping the grace of the OSX dock.

My mock up should be self explanatory, when an app has multiple documents open it’s position in the dock should open out and list the documents, click on the titles to switch between them. Too avoid over-use it should only be apps which would benefit which get support for this doodad.
Whatdya think Steve?
Ha, I’ve just noticed, my mock up thinks pages documents have psd extensions. Silly mock up.
