So is there a way to bring my github repos over to Bitbucket and preserve my commit history?

[Justice McCullum]

Asked on Twitter to @Bitbucket.

[Justice McCullum]

Yes! 

http://somatose.com/2011/10/from-github-to-bitbucket-in-60-seconds.html

[TimP]

I don't know if linking to that article is the best idea: "BitBucket feels like a cheap knock-off in almost every way, which is great because it's familiar and easy, but I almost don't want to use it on principle."