For a few months I've been under the PAYE repayment option for my federal student loans which has brought my "minimum payment" to $0. Of course letting them fester is very anti-Mustachian, so I've been making small payments to the Federal loans to offset interest. This has allowed me to pay extra into my higher interest private loans.
Apparantly, Uncle Sam will pay interest on subsidized loans and unsubsidized portions of consolidated loans for 3 years. So, I'm pretty sure my best option for the near future is to pay interest only for the unsubsidized federal loans. Sallie Mae makes this a huge pain in the ass so I'll probably have to send a check with a letter specifying the payment allocation every month.
If anyone has any suggestions or related experiences I'd love to hear.