To everybody thinking that these 7Nm wheels are too weak, as a recent customer of a 20Nm DD system, upgraded from a T500, I would like to say:
I knew before buying the 20Nm DD system that 20Nm would be too strong for me.
Now that I actually tried 20Nm I can confirm it is way too strong. I mainly do endurance racing. I can't see myself doing 2-3 hour stints at 100%, not even 50%. I currently use the system at about 1/4th of its max current/power, so about 3Nm of holding torque and 6Nm peak. I tried 35% too with 3.5/7Nm peak power, so roughly equivalent to a 7Nm Simplicity wheel at least in nominal torque values, and I believe it's adequate power.
If I didn't have my DD system, I would probably choose the 10Nm+ or 12Nm+ versions, as 7Nm is just enough, without any headroom. Maybe still good for most people I guess?
With regards to general motor quality, max torque and ffb detail, I can't say anything about the Simplicity ones. The current DD I own does not get hot at 25/30% of current, which makes me really happy. Having strong and yet very detailed force feedback with none of that belt drive graininess is just great. I bet these compact wheels have the same properties.
Any questions, let me know.