Nissin had updated their Di700 with RF capabilities, when will Canon do the same with their ageing 430ex II. Here are links to Press release and other coverage from the phoblographer.
http://www.nissindigital.com/2015/02/press-release---nas--nissin-air-system-air-1-di700a.html
http://www.thephoblographer.com/2015/02/24/nissin-di700a-air-flash-radio-controlled-canon-nikon-sony/
http://www.nissindigital.com/2015/02/press-release---nas--nissin-air-system-air-1-di700a.html
http://www.thephoblographer.com/2015/02/24/nissin-di700a-air-flash-radio-controlled-canon-nikon-sony/