mastering software is just a whole load of plugin's in a row innit?

quantum-fx is a bit like reaktor or something right? http://www.quantum-fx.co.uk/ ?

You basically want the highest quality EQ and compressor you can get your hands on and maybe a multiband compressor and a quality limiter, probably although it's less important for techno than more delicate music you want some kind of 16bit noise dither thang going down too...