Well, I've been enjoying Joey Hess' build log of git-annex assistant [1], and I like Julien Danjou's [2] too, even though he writes more about Emacs, while I'm a VIM user.

Then there's Old New Thing, LtU and John Resig's blog, but those are less obscure.

[1]: http://git-annex.branchable.com/design/assistant/blog/

[2]: http://julien.danjou.info/blog/