Although integrated washer and dryers are pretty common in Europe, they've just started appearing stateside. It definitely cuts down the amount of space needed to have a laundry station if you have only one appliance to do your washing.
Laundry Room Renovation To maximize storage I opted for a stackable w/d in a great steel color. Adjacent is a tall split cabinet with one open side for the ironing board, broom, mop, etc and the other all shelves. Designed by Peapod Interiors