This was an interesting article posted earlier this year.
http://www.forbes.com/sites/larrydownes/2012/01/02/why-best-buy-is-going-out-of-business-gradually/
They've a lot of "catching up" to do, if true.
They got a lot of attention for having the biggest crowds on Day After Thanksgiving, but when the final numbers came out, they’d lost money because people were only buying the heavily discounted sale items and weren’t buying any of the full price items the sales were supposed to bring them to.