I first found AAP while researching how to start my first aquarium(I'm up to 10 now). I was blown away by the in depth nature of all the information the site has to offer. Not only do they tell you which products are the best but they tell you why with actual information and test results. I have noticed the prices of their products go up but I assume that the savings on the products has moved to the offering of free shipping.
Do yourself a favor and forget everything you think you know about aquarium keeping and re-educate with AAP.