Try out the Visual Studio “14” CTP, released recently:
Downloads: Download the Visual Studio “14” CTP (also available on MSDN subscriber downloads). Alternatively, save some time and use the provided VM in Azure.
Blogs & Release Notes: Read announcements by Soma & Brian. Check out the team blogs, including Visual Studio, Web Dev (web tooling), Web Dev (ASP.NET vNext), Entity Framework, C#, VB, and C++. See the Visual Studio “14” CTP release notes for a list of new features. Discuss on Facebook & Twitter.
Known Issues: This release should be installed in a test environment, such as a VM or a clean machine. Do not install on a machine with another version of Visual Studio installed. For other known issues, please see the Visual Studio “14” CTP KB.