Apple retired its Power Mac G5 in 2006 in favor of the Mac Pro.
So if you have one laying around, what can you do with it? Sure you can gut it and turn the case into another computer, but you can also make furniture with it.
Klaus Geiger a designer has turned the cases from the Power Mac G5 into modern furniture.
He transforms the outdated machines into cool looking tables, seats and cabinets.
Check out the whole collection on his website here (in German): http://projektgalerie.wordpress.com/2014/06/24/mac-g5-moebel/