Start the holiday shopping now with the 4-Day Kickoff Sale at Best Buy . This is one of their biggest sales of the season and it's bringing many electornics in at lowest seen prices. A few of the Bargainist Best Bets include the Apple MacBook Air 13.3" with an Intel Core i5 processor, 4GB of memory and a 128GB flash storage for $849.99, the Panasonic 55" Class LED 1080p 120Hz Smart HDTV for $599.99, and the Xbox 360 500GB Holiday Bundle with a $10 gift card for $249.99. Free shipping on everything sweetens the deals. Sale ends 10/27/2014.