Best Buy is offering the Apple - 21.5" iMac (Latest Model) - Intel Core i5 (2.3GHz) - 8GB Memory - 1TB Hard Drive (MMQA2LL/A) for the best deal.

Next best price on Google is $999.99 shipped

Step 1 - Get the $50 Coupon
If you haven't yet, you can become a EDU buyer to get a $50 coupon. Just sign up and you will receive a $50 iMac coupon in your email
They will send you the $50 coupon almost immediately

Step 2
Best Buy Price is $899.99 Shipped

Step 3
Use the $50 off coupon

Final Price is $849.99 Shipped

Optional Savings - If you want to scrape every dollar on this deal, you can buy discounted Best Buy gift cards to save another 1-3%