For basement office: The Pottery Barn-inspired desk below has painted file cabinet bases, which hold the top of a disassembled IKEA Effektiv desk. The result is a charming corner work space. The full tutorial is available at IKEAhackers
I would have to build a new house to incorporate a sink in the craft room but it may not be a bad idea for sticky projects. One downfall is that it's another sink in the house to clean. OK, I could live with
Take a look at this oversized framed bulletin board behind the desk. This idea, from Martha Stewart, is the perfect solution for organizing a home office, craft room, or any other creative working space.