Protein Powder Comparisons

Before I get the 'this has been done before" whiners this is less about protein powders and more about this website:

http://protein-powder.findthebest.com/

I want to try out several different powders and figure out what I like, I don't mind buying it a can at a time because the hubs and I will both be putting the stuff down so we can manage through a bad can timely and move on. Opionions on this as a research resource?