some info on the changes to the d8 (lighter) and a all new demo 7 frame . the design is kinda funky imo ,but i guess it is still a prorotype.
http://blogs.nsmb.com/team/archives/2006/04/3-days-of-specialized-fun/
http://blogs.nsmb.com/team/archives/2006/04/3-days-of-specialized-fun/