Just some first impressions.
I've had this device a few days and wanted to share my initially thoughts. As was expected, I can tell this is going to take some getting used to.
I've discovered that the strap fits a little better if I twist it one time before putting it on the Velcro. I discovered that while attempting to wear it while the usb cord was plugged in.
The first thing I did was upgrade the firmware. After that firmware update, I downloaded a custom configuration file to start with; I figured someone's many hours of experience was a good jumping off point. I spent several hours learning the mapping before then deciding that I don't want to use a pre-made configuration. Part of the appeal of the device to me is coming up with my own key mapping, so I've started from scratch.
The web-based tuner is a bit clunky and slow, but it works. I find the Num, Alt, Ctrl, and Shift keys are really hard to reach. Since I find those hard to reach, I started mapping the alphabet in such a way so that I could also map the whole alphabet plus Ctrl and the whole alphabet plus Alt on the front 12 buttons. I didn't get very far before I realize that that is a tedious task that I do not want to put myself though. I'm going to rely on getting comfortable reaching the thumb buttons.
I do want to state that again. The placement of the thumb buttons is very awkward.
I cannot decide on what I think the most efficient mapping would be. Should I make the most common characters 1 button and 2 button chords? Another option that I've started on is making the most common characters all on middle row buttons and not worry as much about them being fewer button presses. My thinking there is it might be faster to have D for example be MMOM instead of something like LOOO. I'm thinking I like the idea of less movement of the fingers. I don't like that then the n-grams cannot be as intuitive with this arrangement.
I've had this thing a few days and have started from scratch on the mapping several times. I actually enjoy the process, so I don't mind that I haven't started learning to actually use the device yet.