I would seriously love it if the fans got back into it. I can't stand going to Habs-B's games and seeing a sea of red every time I go.
Last year against the Devils in January was a lot of fun, basically because the NJ fans thought they, for whatever reason, had a right to own the place because they were considerably better than the Bruins at that time during the season. Watching them leave with their heads down was amazing.
I love hockey, mainly because I'm a huge BC fan and grew up with the Bruins, as my parents are huge hockey fans. If the fans came back, that would be a huge boost for the team, as players like Chara wouldn't have to hear boos every time he gets near the puck. Not that I think he can't tune them out, but athletes have been on record as saying a large opponent fan base in their own building is annoying.