I've had many countertop ovens and this is by far the best I've ever had.  The knobs, door handle and sturdy and not flimsy at all.  The knobs feel strong and easy to turn...also really easy to read unlike many others I've had.  I don't need my granny glasses to read.  The interior is very roomy and I LOVE the covers over the heating rods so they don't become coated in splattered food.  Cleans easily and just does a beautiful job on everything I've cooked in it.  Very very pleased with this oven.