favourite widget?

What is your favourite Dashboard widget? I'm sure there is a thread like this somewhere...

My favourite one is the Forecast widget that comes with OS X, it's stopped me getting soaked countless times!

Try checking out some of these threads for suggestions or favorites:

http://www.mac-forums.com/forums/showthread.php?t=49454

http://www.mac-forums.com/forums/showthread.php?t=18051

http://www.mac-forums.com/forums/showthread.php?t=43051

http://www.mac-forums.com/forums/showthread.php?t=21075