Including real-world experience, over at Attainable Adventure cruising (linked below). There's also an article available online from Ocean Navigator, where an experienced skipper describes his experience and credits the Jordan with saving his life. After reading these articles I decided to get one, in place of (or in addition to) my Galerider drogue.

http://www.morganscloud.com/category/storm-tactics/

http://www.oceannavigator.com/March-April-2011/Prepare-for-survival-conditions/