I agree with your assessment - their covers don't inspire much confidence.
They have a Facebook page with a little over 2k likes. They also have a Twitter account that is following more people than the number of followers it has. Their books don't have many reviews at all - less than five, some with just 1 review.
On their submission page...they demand exclusivity in submissions. That's preposterous considering they're a small house. And not only that, they also don't guarantee a response due to the volume of submissions they receive. I find that hard to believe - that they receive a whole lot of submissions.
They only have one editor listed... who's page doesn't show any previous publishing experience, but merely that he's college educated. He does have a few publications of his own though.
Personally...I would pass.