Ouch. For the blackberry software, the sync needs to be set for both to match for contacts and calendar. This will solve the issue. For the applications, choose not to have that has an overwrite from what is stored.

Basically what is happening is your blackberry software is overwriting everything…that is your setting on syncing…http://www.switchingtomac.com/tutorials/how-to-sync-your-blackberry-with-your-mac/