It was the number one concern of about-to-be-swallowed Alltel customers going into this merger deal, and now it's finally time for those individuals to breathe a huge sigh of relief. In a prime example of great decision making, the suits at Big Red have decided to not only allow ex-Alltel subscribers to keep their My Circle plans, but it's bringing the circle to "current and future customers [read: both VZW and Alltel] as a flexible way to control wireless spending." The news was shot out this morning in a message to employees (posted in full after the break), though there's no word on when Verizon Wireless customer