MIDI Fighter 3D by DJ Techtools - far too expensive for its use, but it looks awsome. $249
UMIDI: custom DJ controllers. Design them on the Web, have them built to order and shipped to you.
Akai APC 40 Mk2 #Thomann
Mackie Control Universal Pro Test über den Controller & Mackie C4 - http://www.delamar.de/test/mackie-control/?utm_source=Pinterest&utm_medium=Mackie+Control+Universal+Pro+Test+%C3%BCber+den+Controller+%26+Mackie+C4&utm_campaign=autopost