AT&T, Sprint unveil plans to sell new BlackBerry smartphones

This is nothing but good news for BlackBerry fans. ... 9790 brings the same under-the-hood improvements as the other new BlackBerry models, Waterloo, Ont.-based Research in Motion has unveiled three new models of its entry-level BlackBerry Curve smartphone.RIM is embarking on one of the most ambitious device launches in its history, as the struggling smartphone giant tries to halt a decline in marke