Walmart has Proctor Silex 0.7 cu. ft. 700W Digital Microwave Oven (White) on sale for $39.99. Shipping is free otherwise select free store pickup where available.
Features:
700 watts of cooking power
Ten power levels for precise cooking and defrosting of a wide variety of foods
Six convenient pre-set menu buttons make preparing the most common dishes easy
Digital LED display clock and timer is easy to read
Includes a child safety lock to help prevent mishaps
Remove-able glass turntable