Knight Models is working on a new edition of their Harry Potter Miniatures Adventure Game. Though, those that have already been playing and enjoying the game don't seem to have much to worry about. From the announcement, this new edition sounds more like a quality change in ancillary products around the game, and less an overhaul of the game, itself. Though only time will tell.
From the announcement:
Return to a world of magical adventure…
Did you miss out the first time? Never fear, Potterheads! The revised 2nd Edition Core Box for the Harry Potter Miniatures Adventure Game is coming soon. The same great game, with improved components from our very own Factory Wizards! Available to order soon.
Stay tuned for more details!