A major update is coming for [bd] Forum Watch: administrator can now setup user group to watch forum (no opt-out for user). The package for beta testing is available below.
This has been released officially at http://xenforo.com/community/resources/bd-forum-watch-for-xenforo-1-2.660/. Unmaintained - [bd] Forum Watch for XenForo 1.2+ [FEATURE] 1. User group can be configured to watch forums (no user opt-out) 2. Option to always send notification for replies (for thread watches and forum watches). [INSTALLATION] 1. Upload... xenforo.com