Product review (2 stars): Works fine but look out for repair part prices.
We were very satisfied with this cooktop until someone nicked the edge of the glass surface. That led to a couple of cracks extending from the edge to two of the burners. A replacement glass is priced by GE at $750. This is glass only, not including labor, and insanely close to the price of the new cooktop.

At the moment we are living with the cracks and hoping nothing gives way unexpectedly. In the future we will only buy a stainless steel cooktop. And carefully avoid any GE product that may need a replacement part.