It's still February (just!), but the March CTP of Visual Studio "Orcas" has been released.

You can download the installable bits here, alternatively you can download a Virtual PC image here. The latter is my preferred method for playing with these regular preview releases, as it provides a ready-configured Windows PC with Visual Studio, TFS and all the bits, which is surely far better than wasting time configuring a development box or VPC oneself, then having to repeat the task a month later.

Of course, the downside to this approach is the increased download size, which means my desktop currently looks like this: