I have a Treo 650 and use Missing Sync software.
Works like a charm. Very happy with it. No issues at all..
I think Dembo is talking about the version of MissingSync for WM6 devices (of which the Treo is not one, right?)... they are always playing catch up with Windows Mobile....
I just use iSync with my Treo 650, works fine for me. I have the Palm desktop software installed and the iSync conduit enabled--it syncs my calendar, address book, to-do's, etc. Works fine for me.
sorry I mis-read it *******Yes, but does your 650 run Windows Mobile? NO. Read before you reply.