http://www.gamasutra.com/php-bin/news_index.php?story=16395
According to PriceGrabber.com, the bestselling Cyber Monday product across all categories was the Nintendo Wii console. Guitar Hero III for 360 also made its top 10 list, which was otherwise dominated by consumer electronics products.
AuctionSHARK, an aggregation site that trawls online retailers and auctions has revealed that "Nintendo Wii" was the most popular search term during Cyber Monday. Guitar Hero III on 360 and two Sony products, PSP and PS3, also made its top 15 list.