The MVC Turbine bits are now compiled against ASP.NET MVC 2 Preview 2 Beta and Visual Studio 2010 and .NET Framework 4 Beta 2. You can get the bits by going to the CodePlex site.
Please note that this the same feature release as MVC Turbine v2.0 RTM. The following is compiled and upgraded to work with .NET4 in VS2010:
From here on out, the main development will take place onVS2010 and MVC2 as I get things setup for v3 sometime first quarter of 2010. Also I'm planning on releasing some bits against MVC2 on .NET3.5 SP1, hopefully I'll get to it tonight.
Happy Coding!