if they do what they say, I don't see how it can be a scam. Unless they've not been consistent with everything they've described. Judging from the site, it doesn't look like a scam to me. But then again, be careful :
They are legit, it just seems like all the "Fraudulent" Publishers only post that they are a scam. Of course you need to be careful, just make sure you do your research.