If a stream-lined bathroom is your goal, the Rainshower F-Series showerheads and body sprays are for you. The line has a low-profile design that sits flush with shower walls and can be combined with different elements for a custom configuration. A SpeedClean nozzle surface makes maintenance simple and easy. Cost: $199 to $1,749. Grohe America. 630-582-7711. www.groheamerica.com.