I'd like to point everyone in the direction of the F1 Fanatic blog http://www.f1fanatic.co.uk/2011/02/23/mclaren-interesting-2011-cars-rinland/
which has posted Sergio Rinland's thoughts on the new seasons cars. S. Rinland worked for Brabham and Bennetton before becoming chief designer for Sauber and being part of the team who created the C20 driven by Heidfeld and Raikki (in his first season).
Whenever the new cars come out I always look to try to identify the "new bits" but even when I know them I then have to figure out how they're intended to improve the cars operation. It's alway a delight to be able to get the lowdown from someone who can speak authoritively.
