From Microsoft News Center:
Kicking off a global launch consisting of more than 150 developer-focused events, Microsoft Corp. announced the general availability of Visual Studio 2010 and .NET Framework 4. The company also announced that Silverlight 4 will release to Web (RTW) later in the week. Together, these technologies simplify the entire development process, enabling developers to target new platforms and build high-quality applications. Developers will be able to download Visual Studio 2010 and .NET Framework 4 in conjunction with the Microsoft Visual Studio Conference & Expo launch event in Las Vegas.
“We’re excited to celebrate the launch of Visual Studio 2010 with developers around the world today,” said Bob Muglia, president of the Server and Tools Business at Microsoft. “Customer and partner feedback was instrumental in shaping this release. The functionality of Visual Studio 2010, .NET Framework 4 and Silverlight 4 creates a powerful and unique combination, opening up new opportunities for developers to build applications that take advantage of new and existing devices, as well as emerging platforms like cloud services.”
More Info: http://www.microsoft.com/visualstudio/en-us/