I just subscripbed to yet another visual blog. There seem to be more and more sources that focus on making information available in a form that's easily and quickly digestable. All-in-all, I think that's a good thing. Here is my current list.
Besides these, there is all sorts of economic data. For example, The NYFed regularly publishes an enormous number of data series. So does the Dept. of Commerce's Bureau of Economic Analysis.