We found out details about AT&T’s BlackBerry Z10 plans yesterday and according to the information the phone will be available on March 22. However, those who want to secure their unit can do so now by pre-ordering online with the carrier. $199.99 is what you’ll pay if you’re willing to sign a two-year contract and $449.99 for a one-year agreement. The phone goes for $549.99 on Month-to-Month with regular activation and data fees. Even though the phone will be available on March 22, ...