Amazon offers its Prime members the Westinghouse 700-watt Countertop Microwave, model no. WCM770B, for $37.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $13.80.) That's the lowest total price we've seen for this model without rebate hassles and a current best by $10. (Most merchants charge $60 or more.) It features an LED display, 10 power levels, six 1-touch menu buttons, weight and speed defrost, and child safety lock.