Soak in the Latest Tub Technology

"We had a customer who was relaxing in her new tub when the massage action started. It startled her so much she sprang up to see who was massaging her back," says Greg Wood, showroom manager for Keidel Supply Company in Cincinnati, Ohio. Greg has seen a twofold increase in sales of his hydrotherapy tubs just in the last year. "People who switched from a traditional whirlpool bath really do love them."

Not all tubs are equipped with bells and whistles as unplugged versions focus on the simple beauty of soaking. One mimics an ancient Japanese tub; another is honed from an ancient boulder. Here's a rundown of the latest tubs.