Today only, as part of its Deals of the Day, Best Buy is offering Apple’s entry-level 21-inch iMac 2.3GHz/8GB/1TB for $899.99 shipped. Those with access to student discounts can save an additional $50, bringing the price down to $849.99. For comparison, today’s deal is $250 off and the best price available by $50. This is a solid back to school offer for those that won’t need the portability of a MacBook.