You've heard of Cairo, Chicago and Dayton. Well, Microsoft has added Boston to its list of city-named beta tests. Unlike previous betas, however, Boston isn't an operating system, it's a suite of Internet development tools. According to Info World, Microsoft has shipped the Boston beta to a select group of testers. Boston includes Internet Studio (now Visual InterDev, Visual C++ 5.0, Visual Basic 5.0, Visual FoxPro, Visual Source Safe, Visual J++ and SQL Server 6.5. The entire package weighs in at a hefty 800 Mb of hard drive space and the market for such a beast is unclear