Galley kitchens are efficient, but finding productscan be a problem if space is tight. This new line of appliances will fit the bill. The line includes 24-inch upright refrigerator-freezers, undercounter products, and 20- and 24-inch-wide cooking products. Cost: $4,000 to $8,000 for a complete kitchen with appliances, cabinetry, and plumbing. Summit Appliance. 718-893-3900.