just wanting to know whats the oddest thing you or your customers have done to there computer

I somewhat a economical (sorry for spelling) computer user my overclock amd its water cooled and also heats my fish tank in the winter keeps the fish warm at 74-80 degress and also my computer cold at the same temp
once a month a get vxd errors and i know when to change the filter and clean out my water
what do all you have setup in the dungons