Ford's latest World Rally challenger will take shape by the end of this week, when M-Sport completes the first shell for the all-new Fiesta S2000. The Fiesta S2000 is the car which will take over Ford's commitment at the highest level of rallying in 2011, following 11 years of the Focus. The Cumbrian-based M-Sport firm has been working on the new car for three months and technical director Christian Loriaux is reporting good progress -particularly with the roll cage design, which will offer the Fiesta increased shell rigidity over its predecessor