heightsmobile via eBay offers the Unlocked LG Quantum C900 Touchscreen Windows Smartphone for $149.95 with free shipping. That's $50 under our August mention and the lowest total price we could find by $5. This smartphone features a 1GHz processor, 3.2" 800x400 touchscreen, slide-out QWERTY keyboard, 16GB built-in memory, 802.11n wireless, GPS, 5-megapixel camera, 720p HD video capture and playback, microSD slot, USB connectivity, Windows Mobile 7 OS, and more. Deal ends August 31.