Speed Week is simple. Top Gear Magazine gathers all the best driver’s cars launched in the last 12 months, drives them on both road and track, then tries to pick a winner. This year’s arena: Autodrom Most in the Czech Republic. Little known these days, but on the comeback trail and starting to attract big races, including World Superbikes. Recently resurfaced, 4,212 metres long with an 800-metre main straight and some properly lairy corners, plus a backdrop of hills and trees – right up our stre