Weeks ago Dell introduced us to their Android OS phones Dell Flash with Android 2.x aka Froyo (due after Android 2.1 aka Eclair), Dell Thunder Android 2.1 a touch screen phone that boasts a 4.1-inch WVGA OLED display, and Dell Smoke Android 2x Froyo with a full QWERTY keyboard.

Now, the mother of all Dell leaks just dropped into our laps, Dell Lighting is boasting  its “Microsoft Windows 7″ mobile OS. This upcoming Dell smartphone is gonna blow your mind with its Qualcomm 1GHz snapdragon microprocessor, 512 MB of RAM, WVGA 4.1-inch OLED display, 1 GB of internal storage and bundled with an 8GB microSD card.

Lightning also includes embedded 5mp auto focus camera, GPS, accelerometer, compass, proximity sensor, an FM tuner and a 1400 mAh battery, Wi-Fi and Bluetooth. This GSM device supports both AT&T’s and T-Mobile’s 3G networks and an upgrade to the 4G standard LTE is supposedly coming in 2011.