Natural Reader is a pretty cool text-to-voice thing.
§The Headzone Pro was a thing Beyerdynamic made a while back. It's the only surround-sound monitor for headphones system I know of. You can plug in six channels and it does some psycho-acoustic thingy to do surround out of the two speakers in headphones. Which if you have problems getting your room quiet or sound-isolated enough, might be your best option. Problem is they only make a vastly more expensive system anymore.
Oh, and it's made to follow your head around although that sounds like it would be terrifically annoying.