A two-cook kitchen may mean meals get prepped faster, but the cook time still depends on taking turns at the stove—unless you have a cooktop with side-by-side burners. Like many similar cooktops, this Frigidaire model lines up four burners into an easily shared space, but does it in an inexpensive stainless steel option that keeps all the burners the same size. (Also available in black and white.)Frigidaire.com
, about $720.