http://www.railjournal.com/index.php/rolling-stock/db-approves-plans-for-longer-icx-trains.html
http://www.siemens.com/press/en/events/2011/industry/mobility/2011-05-icx.php
edit: a cool promo video https://www.youtube.com/watch?v=uBdeEYgr5SA
I hope the CAHSR project uses these trains. They look quite cool and futuristic. I am not sure when DB will use these train but it will be later in this decade or the next.