Originally Posted by Faterson
I agree, Jon, except that the OP never mentioned whether DRM-protected books are important to him. So my own summary is: Stanza or Bluefire Reader is the solution for iPhone today, and Marvin might be the solution tomorrow. (Figurative tomorrow, but in the near future.)
Stanza is out. It doesn't work properly with iOS 6 and I highly doubt Stanza will ever be updated.
Marvin might be a solution sometime if DRM is not an issue and the iPhone version is finished.