El Mundo is one of the more well known newspapers in Spain. And they are now offering an MP3 podcast download of the daily news. It appears that the voice of Rosa is the very same Rosa of AT&T Natural Voices.
I found it interesting that the podcast actually caveats its TTSness on start-up. That is, it says, many may be surprised by my tone of voice... but to keep in mind that I'm a machine. My guess is that people are a lot less critical on a TTS voice if you tell them ahead of time that it's a computer rather than a real voice. That would be an interesting study if it hasn't already been done.
(Special thanks to Enrique Lopez Diaz for pointing out the El Mundo TTS site.)