We've seen this mattress on several best-of lists of good mattresses. It's the Innerspring Mattress from Room and Board...The Innerspring requires no separate box springs, it's all right there in one mattress. We've heard they can tend toward bouncy, but we've also heard they're nice and firm. They cost only $250-$650, and we've generally been happy with the quality of products put out by Room & Board. Innersprings like this are best for use on platform beds.