Veekun.com is the best pokedex online. It is often overlooked because it doesn't have all the other information the big sites have, but in my experience it is by far the best pokedex. Very aesthetically pleasing compared to the others.
My Pokemon guide: pkmntrainercory.blogspot.com Check it out! Shinji X Asuka is the most sacred pairing in all of anime. That is an unnegotiable fact.