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If you are having these kinds of problems, you may want to refer your bank (file a complaint) to the NY Dept. of Financial Services: http://www.dfs.ny.gov/consumer/fileacomplaint.htm
You may want to look into a potential class action regarding this issue. Getting a class action together would allow you to pursue a larger scale claim than what you are currently, but also permit you to get an attorney involved (a class action requires a civil litigation firm that has experience and resources sufficient to be qualified to represent the class), and hopefully bring about a more complete resolution.
Short of that, you are going to be left in the repeated loop of going to small claims against the bank and asking for damages each time, and perhaps being awarded punitive or exemplary damages for willful conduct (but this is a very difficult bar to reach, even in these circumstances - judges of course vary widely in what they may deem "willful" conduct, but as far as a litigation strategy goes I would never bank on these types of damages).