Try to type:
defaults write com.apple.dock wvous-floater -bool true
in the terminal - and then log out and in again - or just type:
Then you have a pretty cool blue blob that can be used to control Exposé if you for some reason do not feel that the different mouse and keyboard shorcuts are enough.
(Sorry if this has already been posted in another thread)
Anyone know of other cool Panther hacks?