New EyeTracking Study verifies the importance of page position and rank in both Organic and PPC search results for visibility and click through.  
A joint eye tracking study conducted by search marketing firms Enquiro and Did-it and eye tracking firm Eyetools has shown that the vast majority of eye tracking activity during a search happens in a triangle at the top of the search results page indicating that the areas of maximum interest create a “golden triangle.”  
See the down-right (or up-left, I should say) fascinating image here
thatmikeykid: that is extremely interesting. great link.