I've determined that an immediate reduction, a.k.a. front loading, is a better benefit than interest rate reductions further down the road. That's because a) while I know the present, I can't predict the future, b) future interest rate reductions, a.k.a. back loading, have contingencies that I may or may not honor in the future, and c) I have the option of consolidating.
Based on my own criteria, I've narrowed it down to three companies for the GradPLUS, and two for the Staffords.
GradPLUS, base rate is 8.5% fixed, w/ 3% origination fee:
1. AAMC Medloans: Offers 0.6% interest rate reduction (IRR) at disbursement, an additional 0.75% IRR with on-time repayment, and 0.5% IRR at repayment with auto-debit. Interest is capitalized once, after continuous deferment. Rate reductions contingent upon on-time payment, benefits can be re-instated once after 24 on-time payments.
APR in school: 8.57%
APR in school+residency: 7.02%
APR after residency: 6.65% (best case)
2. EdAmerica: Offers 1.25% IRR at disbursement, an additional 0.5% IRR at repayment with auto-debit. Interest (I think, will need to double check) is capitalized once, after continuous deferment. Rate reductions contingent upon on-time payment, benefits can be re-instated once after 24 on-time payments.
APR in school: 7.33%
APR in school+residency: 6.56%
APR after residency: 6.75% (best case)
3. Graduate Leverage: Offers 1.3% IRR at disbursement, 3% origination fee rebate 120 days after disbursement. Interest is capitalized annually.
APR in school: 7.28%
APR in school+residency: 7.23%
APR after residency: 7.2% (best case)
Stafford Loans, base rate is 6.8% fixed:
1. AAMC Medloans: Offers 0.3% IRR at disbursement, and an additional 1.0% IRR at repayment with on-time payment and 0.75% IRR with auto-debit. Interest capitalizes once, after continuous deferment.
APR in school: 6.11%
APR in school+residency: 5.54%
APR after residency: 4.75% (best case)
2. Graduate Leverage: Offers 1.0% IRR at disbursement. Interest capitalizes annually.
APR in school: 5.80%
APR in school+residency: 5.80%
APR after residency: 5.80% (best case)