Beautiful animals! Post up photos when they arrive please.
As for breeding, don't forget about it, give it a try! Experiment, do something new. Just because no ones been able to breed them yet, does not mean you can't make it happen. There are many inverts that (at one point) would not breed in captivity. It just took someone to figure out the trick to get them to do so.
To quote the character Ben Hawkins, from the show Carnivàle: Everything's impossible, 'til it ain't.