At Apple, purchase a MacBook Pro, MacBook Air, or iMac from the Apple Store for Education and receive a $100 Apple Gift Card for free. That's still the best free gift card offer we've seen from the Apple Store this year. This offer is valid only for qualified students, teachers, and staff. The gift card can be redeemed online at the Mac App Store, the App Store, the iTunes Store, and the iBookstore. Deal ends September 21.

Of note, purchase an iPad and receive a $50 Apple Gift Card for free.