Some online sellers, however, either matched or beat Apple's sale prices.

, for example, was selling the least-expensive 13-in. MacBook Pro and the entry-level 21.5-in. iMac for the same $1,098 price that Apple posted.

's sale beat both Apple and Amazon by wide margins in many cases. On Friday, the online-only seller was selling the 13-in. MacBook Pro for $150 to $200 under list price, and the 15-in. notebook for $200-$240 below the regular price. MacConnection also dropped the price of the MacBook and the low-end 11-in. MacBook Air -- models Apple didn't discount -- by 15% and 5%, respectively.

MacConnection's prices are good through Nov. 29, while Apple's and Amazon's expire after today.

Among Apple's other Schnäppchenfreitag specials was Microsoft's Office for Mac Home & Student 2011, which was discounted 15% to $128. However, other outlets again beat Apple's sales price: On Friday, Amazon sold the same three-license suite for $109.