I do know somebody who used to have these newts but they have died since he aquired them. Perhaps he got them in the same shipment as you did yours. I don't think he had a chance to try and breed them.

If you want to email him and discuss newt stuff, he is the guy who posts all the reptile news articles in the forums. He has 'Wes' as part of his nickname, I just can't recall the rest. Just find one of his news articles, click on his nic and you can send a private message to him.