Prior to my Helix Sunset Luxe, I had a regular mattress with 7 inches worth of foam/pillow toppers. I called it my "marshmallow bed" and I loved the feeling of sinking in and being swallowed up by the foam -- however, my back did not love it and suffered from not having good support. With the Helix Sunset Luxe I've found the perfect compromise, as it provides the awesome marshmallowy feel, and great support, too!