"Today is actually not the finish line. It's the starting line." BlackBerry CEO Thorsten Heins proudly unveiled the first two phones in its long-delayed BlackBerry 10 line. But if you are looking to buy one in the U.S., you'll have to wait until mid-March. Investors did not like that, and sent the stock down more than 8 percent at one point. CEO Heins defended the setback.