Regardless of kite brand this seems like a pretty nifty idea for old kites. I currently have 3 kites (one RRD, Ariush, and Slingshot) that are not in use due to rips or just plain way outdated.
It seems like it'd be cool to have a kite bean bag seat
http://forum.bestkiteboarding.com/viewtopic.php?t=7064