This report covers four motor shows - the Frankfurt IAA and Tokyo in 2005, the North American International Auto Show (NAIAS) in Detroit and the Geneva auto salon in 2006. It highlights the interesting, the feasible and the not so feasible. It looks at both the design and the technology of the best of the 2005/06 crop of concepts. Through a series of interviews with top designers, the briefing gives a unique insight into current thinking on both design and technology.