This deal has ended.
Buy.com has the Whistler XTR-140 Radar and Laser Detector for $39.24. This detects X-band, K-band, Ka-band, Ka Superwide, and laser speed tracking equipment. It features a dual-alert LED periscope, VG-2 cloaking technology, and three different city modes. There's free budget shipping with no sales tax (except CA, MA, MD, NY, TN).