Sometimes the terms "self-publishing" and "vanity publishing" are used interchangeably, which is incorrect. There's a big difference and I don't think there's anything favourable that can be said about the latter. For a detailed break down of the terms of Horizons vanity press, Jackie Kessler has an excellent post on her blog. There are also lively discussions over at Smart Bitches and Dear Author
On a happier note, The Book Depository has a promo going, where over 11,000 e-books are available for free download. Christmas just came early!!!