Groupon offers the factory-refurbished Escort Passport 8500 X50 Radar / Laser Detector in Blue, model no. 8500-X50, for $149.99 with free shipping. That's $40 under our mention of different color from two weeks ago and the lowest total price we could find now by $136. It features reprogrammable digital signal processing and AutoSensitivity.
A 6-month Escort warranty applies.
Update: Apply coupon code "10FORU" to drop it to $139.99.