I came across a demo of a little program to recover deleted images from your digital camera. Might come in handy for that great shot you accidentally erased.
http://www.lc-tech.com/photorecovery.asp

Dejavu' Sanda. :D Jim Conway started a thread along the same lines here (http://www.retouchpro.com/forums/showthread.php?s=&threadid=1662) He gave a different link but both seem to be interesting. Luckily, I haven't had to use it.
DJ

oops I forgot that one.