The exterior LCD on my cell phone was damaged this weekend, so I've switched to the backup phone (idential model, from when Sprint sent me two replacements for a phone with dead software).
Copying the names and numbers out of the old phone and typing them into a text file wasn't too bad. Entering them back in to the new phone is much more of a pain.
(Yes, Sprint sells software to do this, but it works by synchronizing to MS Outlook, and even though I have the data cable I have neither a Windows box nor Outlook. If I thought I was going to do this much with this model it might be worth setting up and sniffing the serial port, though).