Go to tinyurl.com. It's a wonderful idea - you get a simple, quick service that converts very long URLs into very short ones.
Update: Thanks to Jesse, who pointed out the ASP.NET version: http://shrinkster.com . My permalink is now also: http://shrinkster.com/3o6. I am also able to track the usage of this URL from here: http://shrinkster.com/Track.aspx?AddressID=3o6