The Guardian newspaper (uk) have a ‘data blog’ on their webite. (Go to it here) As well as creating simple and readable visualisations, the blog makes all the raw data easily accessable, which makes it a fantastic resource. The visualisations are always easy to read and are straight to the point. The data ranges from public interest to politics to society to celebrity and often the figures are allowed to speak for themselves.
Here are some of the visualisations: