My original theme was based on the work of Kieran Healy, and it looked very much luck this:
Any how, I figure it was time to rework things. So, based a bit of looking around at what other folk have been doing, and then adding in some sauce, I came up with this, responsive, mobile-first theme.
Maybe they still look similar, but I kinda like my version.
In doing so, I simplified my templates quite a bit. The resulting theme is probably not rock solid, but it is available on GitHub.