I upgraded my Treo 300 to a Treo 600, and my wife inheirited my T300. Unfortunately I've been having a heck of a time getting BOTH treos to sync properly to my system. I'm running XP Home and the version of Palm Desktop that came with the T600. I changed the T300 to the new owner name, setup hotsync users, etc. When I bring up the installer tool to install apps, only one user name shows up, and it shows up TWICE. Has anyone else run into this sort of trouble? Hotsyncing itself seems to work, but I've been getting cross-polination between the palms occasionally.