High-end builds are also obsessed with glass, the better to show off those custom liquid-cooling loops and the slick cable management inside. And if you want glass, you can't get much crazier than this build from AVADirect.
It's hard to get a good picture of, but the case is basically two huge glass side panels with a bit of metal on the top. That's it. It's perhaps not the most functional case, but it's certainly one of the more eye-catching. - Hayden