The other day, tr.im, the best URL shortener in my book, shut down.

Good news. It's back! According to the tr.im blog:

Blimey. Tr.im, which has seemed a bit unreliable lately (the stats have been all over the place), has shut down completely. Trimmed URLs will continue to work until the end of this year.
Shows the danger ...

URL shorteners reviewed for length, statistics and custom names.