Links to other Pocket PC sites.
News and Reviews
Brighthand has good commentary about the state of all things mobile.
The original Pocket PC web site hosted by Microsoft.
A great rumor and review site.
The Gadgeteer is a great site for reviews of all sorts of gadgets and accessories.
Software
A great site for finding freeware Pocket PC applications.
Handango is a great site for finding Palm and Pocket PC software. Almost all software on the site supports "try before you buy", so it's very painless to try all sorts of programs.
Another good site for finding Pocket PC software.