DExposE2 is a task switching application similar to the one found on Mac’s OS X. Setup is straight forward, and after tweaking the settings just a little bit (to your likings) it’s ready to go. By default you’ll get all your open applications side by side on the desktop (press F9, F10 or F11) and to select simply click on whatever you wish to work on/with.
Nice fading transitions and help titles when hovering makes this a killer add-on for XP or Vista (Mac user’s obviously doesn’t need this one…).
Here’s how it looks on my Win XP SP2 office PC: