Michigan transplants Melinda and Greg DeVries are crazy about Seattle, rain and all. But as their search for a larger home begins, will the red-hot real estate market dampen their spirits? The Emerald City may give off a laid back, eco-friendly vibe, but its housing market is moving at warp speed. Homes are often snatched off the market as soon as they're listed. Real estate agent Bob Blevins signs on to help with the challenge.