Mark/Space has an incremental upgrade to Missing Sync for Windows Mobile.
Version 2.5.1 is a free update for owners of version 2.0 and 2.0. This update improves USB performance with certain Windows Mobile 5 devices, including the Motorola Q. It also addresses a connection issue affecting some Windows Mobile 2003 Smartphone devices, improves fast syncing of recurring events and the handling of multiple email addresses in Entourage and includes other minor improvements.
Owners of v2.0 or 2.5 may download the 2.5.1 installer at Mark/Space.