Well I honestly I wouldn't wait on Apples back to school sale. Right now Bestbuy has the MacBook Air 13 in for $849 which is a total savings of $150. If your in college you can even get it for $749. If Apple does have a sale they will probably offer a Apple App Store gift card or a Apple Store Gift card and the price will probably be around the same as the Bestbuy sale but your savings will be in the form of a giftcard.