Not sure what you mean by having to hit the back button, but honestly, if anyone can suggest ways to further streamline the board and improve functionality, I'm all for trying to figure out ways to implement.
Right now, there are also means to jump forums at the top and bottom of each page of a thread. This one has 'BuckeyePlanet Forums > Football > Buckeyes > Site question' at the top, and a pull-down at the bottom allowing access to all other areas.
I tend to click on the BuckeyePlanet logo a lot to get out of threads. If you're in a couple pages deep, hitting that instantly takes you back out to the main board area which displays the different forums.
I'm absolutely going to re-enable "My Team" at some point, I was just goofing around with that tempate (there's now a thin white border around usernames -- what can I say, I like the little details), and decided to just 'comment out' that field as everyone here is OSU. Given the initial (and quick) reaction to its removal, I'll probably stick it right back in this afternoon since no one really had any problems with it to begin with.