Newton Rollout -- One caveat to all the Newton comments you hear in TidBITS and other publications. It appears that although the Newton was introduced at Macworld Boston, the official rollout will take place in about two weeks. The practical upshot of this is that dealers won't have any Newton MessagePads for sale until that time.
Expose Shortcut for View All Windows
In Expose mode in Snow Leopard, press the Tab key to view all windows belonging to one application (equivalent to pressing F10 or Control-F3 on recent laptops). Press Tab again to switch between applications while remaining in Expose. You can also click an icon in the dock.