RIM says new BlackBerry 7 OS smartphones coming Tuesday

Research in Motion has taken a pounding in the stock market and is laying off 2,000 employees. But Tuesday should be a good day for the company, as it is preparing to announce a number of new devices. The company tweeted tonight that it will be announcing BlackBerry devices with the company’s new operating system, BlackBerry 7. These are some of RIM’s most eagerly awaited models in years.