[ItalianFX]

In no particular order and/or preference:

http://www.blogmaverick.com/ - Mark Cuban, owner of Dallas Mavericks
http://freakonomics.blogs.nytimes.com/ - Steven Levitt, Freakonomics
http://www.thesportseconomist.com/
http://www.sabernomics.com/
http://www.econtalk.org/
http://www.econbrowser.com/
http://blog.mises.org/blog/
http://www.dailyspeculations.com/wordpress/ - Victor Niederhoffer, Education of a Speculator
http://www.kudlowsmoneypolitics.blogspot.com/ - Lawrence Kudlow, Kudlow & Company