One need only to look at Audi's monthly sales charts to have no doubt that crossovers are the hottest thing going in the automotive segment. And, while Audi isn't ready as Ford is to give in on the value of cars, it is prepared to stake its claim at the top of the crossover segment. Enter the Q8. It's not like the Q8 was a secret. Audi has hinted at its Q-ship style, performance and luxury-minded entry meant to slot in above the Q7, more crossover on par with its flagship A8 than comforta...