Thanks, @reustle! I discovered them some time ago. They seem to be doing a good job. Still a bit different from what I'm trying to do. The problem that I'm trying to solve is: tons of written content that I'd like to read, yet I don't have enough time to read it. So basically I'm trying to make a human screenreader. And trying to find the best way to make it happen :)
Thanks for sharing spokenlayer.com again. Good to know people are familiar with them!
http://www.spokenlayer.com