I bought this to replace a smaller convection oven which I loved but which finally gave up.  Convection cooking is awesome, so much time is saved.  Also, this oven is so easy to clean.  I do have a reservation about the convection fan in this, but I'm an optimist and hope it continues to do it's job.  My last Black and Decker had to be returned because there was a problem with the convection fan.