In Febuary 2008 we had Mohawk SmartStrand carpeting installed in the main living area of our home: the living room, the dining room, the hall leading to the bedrooms, and the stairs leading from the front door to the main living floor and down to the finished lower level. I was very concerned about the new carpeting getting stains, and also about its durability. I went to six carpet stores, and talked to a lot of carpet salespeople about carpet. Until I found the store that had SmartStrand, the salespeople all said pretty much the same thing -- that you can either buy nylon carpet and get durability,...