I think many people who've already seen it feel it's just not quite there yet. Not to mention that most pairs have little or no real liquidity. I also don't like all the fees and that whole MLM feel it has with the whole affiliate thing. It's also not quite fast enough to compete with a centralized exchange. What we really need is the "quality" and liquidity of poloniex (when it's running "smoothly") in a stable and decentralized context. I've actually been sort of hopeful that EOS may be the platform that could finally facilitate the successful development of such an endeavor.