In the world I'd say the best scratch dj is q-bert from the scratch picklz or roc raida from the x-ecutioners. There's also a Japanese guy called Kentaro who if unbelievable. In Britain either plus one or skully, and in terms of hard trance I'd say dj wragg too, although to be fair I rarely hear trance djs scratch. It's a shame I think it makes a set a lot more interesting.