Blu-ray sales were reportedly up 72 percent for 2009? Turns out the high definition disc business is doing even better than that. The Digital Entertainment Group is reporting a 91 percent sales increase year-on-year, totaling $407 million, for the first six months of this year -- an impressive feat, especially in this recession climate. Blu-ray rentals, too, saw a 61 percent increase, and on the less tangible side of things, digital distribution rose 21 percent. Despite all this, the report noted that overall consumer spending on prerecorded entertainment dropped 3.1 percent, and net profit down 2.2 percent... come on UMD, pick up the slack.