The LG GD900 Crystal certainly falls into that category. It's the world's first phone with a transparent keypad. Ok, that might sound a bit, well, pointless, but it really does serve a purpose, acting as a seconday touchscreen for the feature–laden blower.
You can see it in action now in our hands–on video. Check out the gesture controls, marvel at the unique zoom function and see us play nice with one of 2009's most leftfield phones.