The FIA now has a new race seat specification that was released this year. Currently I know of only 2 approved seats (RaceTech and Sparco). I would assume that SCCA will pick up this spec in a year or so.

Anyone else see this yet?

http://argent.fia.com/web/fia-public.nsf/87DE058E9D824DD9C125755500546904/$FILE/8862-2009_Advanced_Racing_Seat.pdf

(not sure why the link is not active)