Hi,
I have been using the Dr1000S for about 2 weeks now, in this period I found myself rebooting the system quite often. Sometimes because it hangs, or the sensors are not working properly, etc.
One more thing I realize is when I connect the charger to the device, whenever I try to continue to use it as it is being charged, the sensor will not respond correctly (the LED on when I touch it, but it will keep on when I leave my finger away), so I have to lock the sensor and just use the stylus.