I had blogged about MagCloud from HP some time ago. It enables you to print and sell magazines just by shipping them a PDF.
If your magazine consists of only text, you can use my xtopdf toolkit to quickly create your PDF for MagCloud. See my Bitbucket site below to download xtopdf.
Fotoblur has been mentioned as a MagCloud user for their new Fotoblur magazine.
- Vasudev Ram