There's a big part of me that wants to say, "It's already been done. It's called TortoiesHg." All the usual Mercurial command-line goodness, plus some very we

There's a big part of me that wants to say, "It's already been done. It's called TortoiesHg." All the usual Mercurial command-line goodness, plus some very well-done Windows shell extensions. The biggest downside is that there just doesn't seem to be a good 3-way merge tool for Windows. Well, that and it doesn't enjoy Git's brand recognition.