I\'m really quite frustrated at this point. I have an existing hg repository that has months of coding history in it, and I want to get this into a private Github repository
It might seem silly (or a solution for the desperate...) but I think that Bazaar has good support for both Hg and Git repositories, and it works well on Windows.
So if all else fails, maybe you can use bzr-hg and bzr-git to make the conversion...