If you thought Coinstar was through making industry rattling announcements today, you were wrong. After taking the wraps off its joint venture with Verizon, now the company has announced it'll be taking over NCR's entertainment division for $100 million. That includes DVD kiosks, retailer contracts and an inventory of discs for stocking the machines. That's big news not only cause it expands Redbox's already sizable self-serve rental empire, but because it may be doing so at the expense of the floundering B