As a prospective new hire, you will definitely want to consider other factors than the environment at one branch. Consider the entire Chicago group. When your manager is promoted or moves to a larger branch the entire environment will change overnight. You'll want to look at the leadership from the top down - GM, RVP's, etc. Go to the forum for the Chicago group (GP15) and see what everyone is saying.

Obviously, if you read this site for a while, you won't find much encouragement to take the job at all. Remember that there is going to be an extremely negative slant on a website called "Failing Enterprise", but there are definitely some solid points being made.