While waiting for more info on what new pets are coming in, is anyone aware of any pets that may become unobtainable as of the release of 5.0? It's been on my mind recently and I'd hate to permanently miss out on any pets from my collection just because I never got around to collecting them prior to...

I read this the other day under the pet battle system area on the wow site. "What's more, you will also have a brand-new way to add more pets to your collection. In addition to purchasing pets or getting them as item drops, you can now also encounter and capture vanity pets in the wild. If you run i...