>I'm looking into PDAs, and the vast options available. From a programmers viewpoint, setting aside differences in price, size, batteries, etc..., what is a good choice? I guess the question is, which one can run the most useful and/or sophisticated software?

Here are some links for two the big platforms. I haven't don't any programming on a PDA yet.

Palm programming links:

http://www.wademan.com/Pilot/Program/FAQ.htm
http://www.developer.com/directories/pages/dir.palm.html
http://www.developer.com/roadcoders/
http://homepages.enterprise.net/jmarshall/palmos/
http://www.massena.com/darrin/pilot/tanda.htm

Pocket PC programming:
http://www.microsoft.com/pocketpc/developer.asp