Just got an email from Smarterbucks, a student loan rewards program – they have a new checking account offer with Radius Bank that provides 1% in cash back on debit card signature purchases. If you link your SmarterBucks account to an eligible student loan it will automatically send a payment once a month if your rewards balance is $10 or more. Unlike uPromise, it doesn't look like there's an easy way to get a check cut to you instead, although their website does say that if you
They also have a $50 signup bonus if you set up direct deposit.
Details here:
http://www.smarterbucks.com/ftub_details