The analogy of cars always come into play when I consider what goes into making a DJ product.  For starters, there are the designers who take an idea and make it come to life – but not before the researchers and scientists do their job of making sure it will all play nice together.  To have an idea go from concept to something real in a short matter of time takes a lot of effort and a lot of money in the process.  I think this is why it is better to keep revising a model of a car than to create a new one every month.  It would also make parts for it impossible to interchange if you started with a different basis. [embed width="656"]http://youtu.be/Drfejh2DkU0[/embed] With DJ controllers, we might see new ones come out – but some of the best one are either revised or completely unchanged.  The big picture behind keeping up with one model is that if it has a good reputation, people will trust the name.  With DJ gear, trust is always one of the issues that prevents someone from wandering into something new.  Take a piece of trust gear, make it better, and be on your way without causing a stir. http://www.digitaldjtips.com/2014/01/namm-2014-exclusive-denon-dj-mc6000-mkii-talkthrough/