IDEX is like EtherDelta although have some better features. I hope this help this project because a good project need a good exchange to take its chances. Good news anyway.
Idex is well designed, but Etherdelta is gaining more users, and I think many prefer to use it. I particularly prefer Etherdelta. But the two are good economic options for trading.
Etherdelta has a lot of technical trouble right now. It doesn't work very well since a few weeks now, but I hope they can fix those problems soon. Anyway, it would be good to see AUN on another high volume centralized exchange.
Etherdelta seems to be working again. Order placement works and everything else is fine as far as I can tell.