Charity Navigator: rating system for Charities

When you really want to know where you money actually went and how all the different charities stack up against each other dollar-for-dollar, Charity Navigator compares many large groups head-to-head on many different levels.
  When you want your dollar to reach the farthest , with the least amount of overhead look here for the best rated ones.

Charity Navigator:
   http://www.charitynavigator.org/