Within hours of receiving a TREG unit I wanted to have two dongles, one for work and one for home. During my conversation/walk-through with Mark, I asked about the possibility of switching maps within the dongle jump slot without restarting the TB. He assured me that I was not the first to ask this question, and that it was technically possible, but "not on the top of our list."And that "There will be plenty of time to work on that after general release." He did not indicate how long their list was, or how close they are to general release, nor did I press him.
I primarily use the dongle with my work computer, as it gets the most keyboard mileage. Thus far it has worked flawlessly. I wish I could say the same for the BT on my work laptop as the dongle is rather large and bright. I made a little paper sleeve to slip over it and limit the blinking (It was really starting to distract people across the table from me in meetings).