Any of you guys heard these podcasts?

I read about them on another forum and have just finished the 5 free ones on iTunes about the rise & fall of the Roman Empire (Death throes of the Republic). Very interesting and accessible stuff, not concerned with facts and figures, more events and changes in wisdom that signal important changes to society.

Some of them are here if you don't have access to iTunes:
http://www.dancarlin.com/disp.php/hharchive