Really? From what I've been reading in the UK the new Dmack "trackday" (it's the actual name of a road tyre Dmack make, not the wrc tyre) is popular with them, they say they are really light and give excellent feedback and are fairly quick. Better to stick with something proven I guess. I'm driving the demo car again at the moment while mine's in the shop and it's got AO48's on it. Scary in the torrential rain but when it dries out they're impressive