Here's another that we use. It has a bit more functionality than x29, but only for OSX
http://www.power4mac.com/renamer/
I find it pretty useful when clients make their filenames like "pg a-1 June06.pdf"
You can quickly convert a whole folder full of files named like this and drop them down to "01.pdf"
I use it for some of our weekly jobs. Then go to InDesign and update links. Works like a charm and saves me about 30 minutes.
It works really well for pics from digital cameras as well.
So here's another question. Do any of you guys use imposition software that will automatically place PDF files on InDesign docs where they are supposed to go? Maybe it's a plug in or third party. I know it exists, just don't know what it's called.
Thanks!
Jeremy