I get it, I have a dozen track days on the first version of the R8, appreciate the Quatro.   But when comparing to other rear wheel drive performance sports cars; the GTR AMG, GT2 RS, GT3 and RS, 488, 720s, 675, the new Vantage, Portifino, Pista, ZR1...  then the question begs how could this RWS be any less effective? Seriously, with that in mind, what do you think.   I have my reason why I can't consider the Quattro, doesn't relate to performance.   thanks