Here are some of the new features-
General
User rating - Karma
User ranking
Removal of redirects
Back to Top link at bottom of page
Prefix table names
Visible "announcement" on forum pages when forum is "off" to remind admin
Forum Index
Show the title of the last posted to thread for each forum on index.php
Forums/Categories
Password protected forums
Thread preview on mouse-over (optional, via Admin CP)
**NEW**: Subscribed threads are indicated with an icon on thread / forumdisplay listings
Threads/Posts
Hit counter on announcements
Threaded and hybrid views (optional, via Admin CP and/or User CP)
Similar threads display (optional, via Admin CP)
All user info cells are combined into one template
Quick reply box (with optional "forced" click on post to quote)
Posting/Editing
Insert smilie/
vB code where cursor is (IE 5+ Only)
Preview on edit
Ability to add attachment when editing a post instead of just when creating
Reason for editing
Reason for deleting
Hitting the back button no longer necessary when you have too many images
Ability to manage thread (for mods and admins) while posting (i.e. - lock, stick, etc.)