Some genius here bought desktops instead of a rackmount setup for a VTC room, then they expanded the requirement for video teleconferencing so now they have a stack of 20-30 dells lying on their side stacked up from floor to ceiling. Needless to say, they almost never all work at the same time and when one fails it takes 3 people a few hours just to un-plug, un-stack, re-stack, and re-plug everything.