Completed the second rack and added another controller, this time a Denon MC6000. I decided to diversify a bit, and this was also less than half the cost of the Roland (fully paid for by the sale of the older pair of Denon HC4500.)
I know the MC6000 is already a discontinued model, but I was hoping it could be a bridge to some legacy software like OtsAVDJ which lists it as a compatible controller. It turns out OtsAVDJ is too out dated and unsupported to work with nearly any modern controller. Managed to get music to the mains - but no cue facility. I'll play around with some other ASIO drivers and see if I can make it work - but, OtsAV at this point is just a play-out program - a better version of iTunes for background music and unattended playback.
Both controllers work great with VDJ, and Serato, typically, straight out of the box recognition and functionality with OS from Win7 to Win10. I don't use Traktor but I imagine that's just as clean a setup as well. Both controllers are a perfect fit for my racks. Mixxx has yet to include a working Midi Map for the controller. There is a user map posted online but it doesn't seem to work, and getting proper recogniion of audio drivers is a probelm.
Comparison? The Denon is a better built, solid construction and a metal frame (what professionals expect) while the Roland is plastic and feels fragile by comparison. Roland video switchers in this class are actually built better, and I'm surprised they didn't apply the same professional construction standards to this board that they did in their VR video switchers. The board ends up being less weight so, that's a plus. The plastic just feels fragile and is a little disconcerting to the touch while operating the board.
The Denon real estate is pretty crowded while the Roland layout is broader and there's more space between controls/labels. Not sure I care so much as long as I can get what I want without having to drill through layers to activate something while trading access to something else I also want live. (There are some systems that have so many key sequences to get what you want you have to learn a whole new 'keyboard' language.) I'm never happy with drill down systems. Still too early for me to make that assessment for either board.
Both work very well, and the Roland dual PC USB connection is a nice collaborative and performance backup feature, but probably not that significant for wedding DJs and other solo performers because a simple play-out device/PC feeding an Aux is sufficient backup for mobile events. Both controllers need illumination. A goose neck rack light is your best friend. I'm personally Okay with this because it's how I've always worked. It is a point to remember though, if you work in blackout conditions and you're accustomed to much of today's electronics with active screens and fully illuminated control keys. Setup is pretty simple for both, if the applications are up to technological date.
I'll know more when I get deeper into them. For now, I just needed them to get them reconnected/setup and baseline functional. If something comes up last minute I want to be able to grab one and go.