Samples and projects using the Programmble XBee modules from Digi International.
When I first got started with XBee, I took lot of time and hard work for getting the right information to help me on my working projects. I put my project on hold and spent a few months simply trying to understand XBee specifically using it with arduino. This post is a good source for understanding xbee examples with your Xbee tutorial. Your post gave lots of information regarding Xbee.