I avoided upgrading to a Blackberry because I was afraid of the learning curve. Once I got it though, I regret having not done it sooner.
After a couple of months of use, I just wrote a blog about the cool applications I found, how to listen to Sirius Satellite Radio on your Blackberry as well as little tricks and tips. Read the blog at clickoncomedy.com/comedyblog/blackberry.html
Gary Thison
Dime-a-dozen, cheap, two-bit stand up comic with a couple of web sites