It's a shame, I used this exchange a bit and really liked the interface and some of their blog posts, but they never really seemed to attract much volume. I'd speculate they were partly overshadowed by other new US exchanges like Coinbase.
Agreed. But I never saw any promotions by them to attract new users. Even here in Bitcointalk, I hardly ever say any of their offers or discounts. Accept the truth. These guys were not interested in running the site. Their intentions were something else.