The JAXA Space Exploration Center lists Ikaros, the solar sail mission to Jupiter, as a developing mission, so is this coming for 2013 launch?
http://www.jspec.jaxa.jp/e/activity/index.html
http://www.jspec.jaxa.jp/e/activity/ikaros.html
http://www.astro.isas.jaxa.jp/suzaku/works...Mission2006.pdf
The mission will visit the polar region of Jupiter and the Trojan asteroids. But its main aim is to test new technologies for solar sail.