I have a Blackberry 8330 and a MacBookPro with 10.6.3. Initially, Missing Sync worked very well. But over time, I started having a lot of trouble with it. First, the bluetooth connection stopped working and I had a lot of difficulty getting it reestablished. Plugging the blackberry into the Mac to sync it resulted in a kernel panic every time until I got the bluetooth working again. Currently, it will not sync my calendar at all; the plugin seems to be broken as it has no list of calendars with which to sync events created on the blackberry.

Mark/Space tries to help, but it often takes several back-and-forth to get a working fix; usually I end up fixing it by reinstalling the application on my Mac and Blackberry and having the Mac overwrite the blackberry with the cable plugged in. Then it works okay for a month or so.

I really liked the automatic proximity sync, but the memory-resident application was consuming too many system resources.

I had tried RIM's application but it is really awful. I also tried PocketMac which was also bad.

Missing Sync is great -- when it works. Which is not often.