You see blogrolls all the time, riding the margins of your regular stops. Lots of times they are unattended thickets of blogs that have been abandoned or completely removed when you try the links. I try to keep up with ours. Blogs that go with a post for a year get removed, new blogs get added. I recently pruned ours to the (mostly) active blogs and am always looking for good additions.
This morning I came across a series on tanks. Who doesn't love reading about tanks? And I added Chant du Depart to the blogroll. It's another group of bloggers. Mostly veterans and there's a lot of recent posts on old military equipment. You're probably already reading them and wondering how it took me so long.