BEING AN ACTOR'S NO DIFFERENT THAN BEING A RUGBY PLAYER OR CONSTRUCTION WORKER, SAVE FOR THE FACT THAT MY TOOLS ARE THE MECHANISMS WHICH TRIGGER HUMAN EMOTION: The NYMag folks did a lot of math (and employed not-much subjectivity) to determine who the 100 most valuable movie stars are in Hollywood these days, with some neat tools to re-weigh the criteria employed, and best of all it's not a slideshow.
(Too high: Daniel Radcliffe, Jonah Hill. Too low: Tom Hanks, Anne Hathaway. Oddly missing: Samuel L. Jackson.)