Arts supplies (your kids or yours) won't take over your whole house if you provide a compact vessel for them. This three-tiered kitchen cart (from IKEA) stops your collection from growing exponentially, and looks surprisingly cute even when stuffed with paints and papers. See more at I Just Might Explode » - WomansDay.com
DIY Gone Glam: Jen Ramos' Fabulous Floating Cabinet MadeByGirl
Gérard from The Netherlands has a sleek solution for his iMac. (I'd do it as a standing desk -- Lawrene) "My Apple iMac obstructed our dinner table for a year. My wife did not make much of it. To please her I did a little Ikea hacking. I bought a Ludvig Laptop shelf/charging station. And a Ludvig Router/modem wall cabinet.