Blu-ray backed PS3 sales spike on restock

Sales for Sony Corp.'s Playstation 3 increased Thurs. at Amazon.com upon restock of the $499 80GB SKU.
By Fri. morning, orders for the high-end model increased 3,750 percent to rank as the No. 6 best-selling item in the Video Games division.

The 80GB model, which includes an 80GB hard drive and built-in Wi-Fi, was previously out-of-stock at Amazon.com.