Though custom cases and massive mining operations get a lot of attention, most mining is still performed by the thousands of graphics cards, one or two at a time mounted in normal, everyday PCs.
Forum member xtoro posted a show and tell thread on the BitcoinTalk forum featuring his rig holding two Radeon HD 5830s which sits in his living room next to his TV. He solicits photos and replies by others who have to live with rigs to learn additional techniques.