I don't have a blog roll, yet.
But before that day I need to say thanks to both Daniel and Tim for their links.
Daniel or RevDanCatt pulls off a nice job at his GeoBloggers. I just found this article on GPS developments like Naggie and Navizon following a comment from a Guardian writer.
And here is a list (with what technically wouldn't be considered a real blog but) I would begin with this one if I had to put one up somewhere else on this page:
Good Blogging. Good Reading. Good Sharing.