Jim, All the Entegra coachs come with the Furrion. In our Cornerstone early this winter a dish from above it dropped on it and that is now history with a new one installed. No other manufacturer makes one the size of the Furrion.
Saw several negative posts from Entegra owners but my wife likes the Furrion very well and she does a lot of cooking. We then replaced and would do it again if we had to.
I would suggest to anyone with a glass top induction that they make a decorative cover that uses the countertop around it for support to protect the glass, not a cover that rests on the glass. Replacement is around $400.00, but it is very simple to remove and reinstall.
If you break the glass there is no just glass replacement as it is an integrated part to the whole unit. If the glass breaks the electrical grid breaks.