Lowe's has the Whirlpool 2-cu ft Over-the-Range Microwave with Sensor Cooking Controls (Stainless Steel) for just $159.50 (in cart). YMMV.
Item # 579269 Model # WMH53520CS
Excellent reviews, with a 93% recommendation rating from 2,500+ reviewers.
Sensor cooking - automatically adjusts time for optimal results
Steam cooking - conveniently steams foods such as rice, vegetables and fish with the universal microwave steamer
CleanRelease® non-stick interior surface requires no harsh chemicals to wipe away spills, reducing cleanup effort
Auto adapt fan automatically adjusts fan speed by sensing the temperature of the cooktop
Recessed, stoppable glass turntable allows you to microwave taller items and can be conveniently stopped with the touch of a button
The 90° hinge allows for flexible microwave hood combination installation next to a wall
The hidden vent streamlines the appearance of the microwave exterior, making it simpler to wipe clean
Compare to Home Depot @ $298: