I forgot about that one. Thanks, I'll check it out!
BTW I've been getting duplicate posts myself recently (though not for last few days..). Probably a server issue.
The iPhone app is kinda slick. In addition to TTS, it supports VoiceOver, and has a RSVP reading mode (speed controlled with thumb). Haven't tried on iPad yet.
The Android app seems a little more stripped down.
You can side-load ePub or PDF on either platform.
As far as Blio goes, it is not clear what the 'unique value proposition' is. There is no way to get a book you have purchased out of the system, for example.