If you're using VMware Fusion 3, here's a little Easter Egg. Launch the app, then hold down Shift-Control-Command-Option and press V. This will create a new virtual machine named Paschal Ovum and launch it...and inside that virtual machine, you'll find yourself transported back in time, right into the middle of a game of Pong.
There are no VMware Tools installed in this virtual machine, so you'll need to use the Command key to capture/release the mouse; move your paddle by moving your mouse up and down. Rumor has it that VMware wrote this tool to help with some aspect of the program's development, but I think they did it just because it's cool and retro.
You can delete the virtual machine any time you like; it can be easily recreated via the same keyboard shortcut.
Mac OS X Hints
http://hints.macworld.com/article.php?story=20091217064114404