Evaluating charities can be very tough and many people tend to be blinded by nice pictures or compelling but simplifying stories (eg Kivas effect on the poor is far less straight forward than it sounds after spending 5 minutes on their website).<p>After working in development aid for a couple of years I'm very reluctant when it comes to having a vote on what is the best charity. Sounds to me a little like voting on the most efficient code by the general public...