What about Somerville? I've been there a few times and at least the parts I was in felt more like a small city than the suburbs. Everything was well-connected

What about Somerville? I've been there a few times and at least the parts I was in felt more like a small city than the suburbs. Everything was well-connected with mass transit and walking seemed to be a very popular mode of transportation (which it isn't in the 'true' suburbs I've been to).