Here are some links to some of my favorite sites and commentators:
Cumberland Advisors - Fixed income advisors which publish periodic thoughts on the market
GaveKal – Research company with some of the most thoughtful insites around
International Economy – magazine specialized quarterly magazine covering global financial policy, economic trends, and international trade
John Mauldin - Thoughts from the Frontline – Weekly email newsleter
RGE Monitor – Nouriel Roubini’s site with all things macro economic