When Cingular notified Paul Levy that his cheapo BlackBerry service was going to be discontinued this month and offered to upgrade him to a more expensive service, he decided to go cold turkey and give up the thing altogether:

... I have since discovered marvelous things. The sun rises in the morning and sets at night. Airport lounges are great places to visit with friends or read a book. Red lights are an excellent excuse to stop driving, look around, and see what's happening on the streetscape. People in meetings pay more attention to you if you pay more attention to them. The email that arrived three hours ago is still relevant -- or better yet, no longer matters!