We bought a Tempurpedic "celebrity" model about 5 years ago. Best money we've ever spent. DH has back issues, and I have hip and back issues.

when one of us goes out of town, we say something like "honey I missed you, but I really missed the tempurpedic".

They're pricey, but 20 year warranty, and oh so fabulous. It provides the softness I need for my hips but the support I need for my back