Several complaints with this cooktop.  First, the notion of a ceramic top looks great in the show room, but is difficult to maintain.  A cooktop surface should allow scrubbing with kitchen cleaners, not require a special cooktop cleaner.  

Cooktop layout is not optimum.  The biggest burner is located center rear, behind the knobs.  For a short cook, this mean you cannot see into a large pot placed on the big burner.  Knobs should be out of the way on a side, not front center.