I use Sitemeter to monitor the stats on my blogs. Just recently I noticed traffic from Condron.us on one of my blogs.
So I decided to check it out. Turns out that Condron.us is a huge blogroll with over 9000 blogs listed. Recently updated blogs are also randomly pulled from Wordpress and Blogger, which is how I suspect my blog ended up being displayed.
A visitor to Condron.us is exposed to blogs as they display one after the other. There is a timer that the reader can adjust. If an interesting site pops up, the reader can stop the timer.
It's free and it's easy to load your blog URL. I've loaded this one. I already know the site can drive traffic. Being just one out of 9000 I don't know how much traffic I'll get. But writing this post about Condron.us is supposed to improve my chances of this site being displayed.