We purchased a Bassett couch and love seat which looked dirty upon delivery. When a representative came out to clean it, we were informed that it was just the "nature of the fabric." Not only is its nature to look dirty but also to look worn and to "travel" (making pulling and tugging of the fabric to align it one of my new daily chores).
We had stressed to the sales rep that we wanted a fabric that would require no fuss, that would take the daily wear-and-tear of a family room and look great for years to come.
One week later our brand new Bassett couches looked older and more worn than the 10-year-old Bob's Furniture couches they were replacing. Bassett's response has been, "your problem, not ours."