Microsoft Surface Laptop (Intel Core i5, 4GB RAM, 128GB) - Platinum for $699 with Amazon Prime Student Account.
Underneath the original price of $799 it says "Students Save Now", to the right of that click the link for "2 applicable promotions" and click "Redeem" on the "Students Save Now" Offer.
Coupon for $100 off will show up in checkout.
The higher tier models are also available for this promotion and the coupon gets you up to $220 off, depending on the model chosen.
Students can sign up for a 6 month free trial of Amazon Prime Student,