Sealy Posturepedic Mattress Review

Within two weeks of getting our new (and quite expensive) Sealy (West Hill Luxury Firm) Posturpedic Mattress from Steinhafel's we noticed something was very wrong.  The mattress sags significantly when laid on by two adults for over 15 minutes.  You will actually form a "V."  We were told this is a comfort issue; this is not a comfort issue, this is a manufacturing defect!  Neither the Sealy Corporation nor Steinhafel's will take responsility for this problem as it cannot be seen by the naked eye.  Under no circumstances should you buy this particular mattress and you should consider going with another company all together.