One of the things that has been taking up my time over the past few months has been the availability of a source control repository for the samples I am authoring for my book. My requirements were simple:
1. It should guarantee my privacy for the code I am working on and integrate well with Visual Studio 2012.
2. It should provide an integrated bug management facility (not that I am using this extensively right now, but would still prefer to have this available).
3. Should have the ability to build Metro-style apps either using the hosted build controller or via an extension mechanism.
After much wrangling, I began using the free hosted TFS service from Microsoft. This is currently in preview and available free of cost at http://tfspreview.com
While the hosted TFS service is limited, it does meet my current needs of integrating well with Visual Studio 2012 and providing a mechanism to build Metro-style apps using my own build engine instance.
You might want to give this service a try. Who knows, you might like it and eventually begin using it 
Enjoy!!!