If Paul Flessner and his SQL Server team have their way, traditional beta releases may soon be a thing of the past. And they aren't the only Softies who are pushing to overhaul the way Microsoft builds software to more closely emulate the open source process. Consider the beta. Beta testing has been the cornerstone of the software development process for Microsoft and most other commercial software makers for as long as they've been writing software. But if certain powers-that-be in Redmond have their way, betas may soon be a thing of the past for Microsoft, its partners and its...