Once I have one in my hand, I'm going to want to (naturally) make it do some amazing eye-candy tricks. What are your thoughts on the most jaw-dropping way to push the display and GPU/CPU to the limit? Some demo-scene rendering demo? A specific game? A screensaver that works well in retina? Using it for really fast HD video and photoshop editing is of course a great test, but not as ... glitzy.