Ebay often has great deals on new stovetops. I saw several new two and three burner cooktops today for $41.95 plus 15.00 shipping, buy it now price, for Atwoods. Just a thought.
If what you hate is the black color, prime and paint
white with appliance (heat rated) paint
. My father-in-law and my father painted ranges in vacation homes that were out of date colors (turquoise and harvest gold), and the paint jobs lasted longer than the ranges.