seriously, if you haven't, you should. once you have an account there, you can import your pet library from the armory, and then it gives you a really nifty summary of what you have. for example, this is my summary (as of today):
also, there's better filtering tools than the armory has, you can look up battle pet stats, there's forums that are much more civil and helpful than the official ones, contest, and many other doodads. if you haven't registered, stop wasting time on goofball sites like this one and go there now.