Their temperaments are great, so far. There were two female granites that I had to choose between, and the other one was really flighty and nippy. This girl was active but calmer, so I chose her.
They are Australian pythons, pretty closely related to children's pythons, and they should max out at around 3' or so. The leopards are really cool looking, too. I've been looking for a breeder who has some since I got back from Tinley. I keep reading how common they are, but I'm not seeing very many breeders who wok with them.