We LOVE our new range! When it was installed, there were a few tabs missing from the bottom of the grate and I called Kucht and spoke to Dave and the tabs are being shipped. 
The burners fire up with ease and adjusting the flame is easy. The oven is about 10 degrees off but we have a thermometer hanging in the oven and it is not an issue. Our electric oven was not accurate either.
So far, I would highly recommend Kutch!