There's loads of stuff all over the internet about totytas Yaris test.
http://www.wrc.com/en/wrc/news/march...5--12-12-.html
There are some pretty cool shots in this article (which I hope is not plus-content).
http://www.autosport.com/news/report.php/id/113043
I hope they go for it soon! The WRC need more manufacturers.