@Splic3dBread I used mine for 2 months before adding panel due, it makes it more convenient but it is not needed as the web interface you can do using just the duet is superior to anything else I have used. I spent money on a smoothie board before my first duet and it is sitting unused in a box now with no plans to be resurrected.
One other point I did not realize when I first bought the duet, you do not just get a board you become part of a community, if I got stuck on something I would comb the forums and duet help pages for answers, if I did not find what I was looking for I posted a question and someone in that community has always shot back a suggestion, link or answer to get me moving in the right direction.
