So I’m not even going to bother.
John Scalzi has a couple of masterful takedowns of Random House’s new Hydra and Alibi imprints, and why no writer in his or her right mind should sign one of their contracts, here and here.
And if those warnings aren’t enough, here’s Writer Beware on the subject.
Furthermore, SFWA† has ruled that Hydra is not a qualifying market for membership purposes.
If all of that isn’t warning enough for the wary, then I don’t know what is.
†The Science Fiction and Fantasy Writers of America. For acronymic purposes, the second F is superimposed upon the first.
Dr. Doyle's Blog 
Adding to the sleaze patrol, S&S is apparently offering bribes/kickbacks/bounties to book bloggers who direct folks who want to self-publish to their AuthorSolutions/Vanity wing.
See:
http://podpeep.blogspot.com/2013/03/hell-to-no.html#.UTjS_1dl-Zd
http://aprillhamilton.blogspot.com/2013/03/simon-schuster-is-trying-to-bribe.html