We bought a new one. But we did not do the sleep #. I have heard many good things about them but we had one in our stick home before selling and would not own another. Just my opinion.
DaveK
2007 Tiffin Phaeton 40QSH
2007 Lincoln MKX toad
05 F350 DRW King Ranch
02 Harley Roadking and Buschtec trailer
2 seat long Travel Sand rail with 450hp turbo subi engine
If you got to any of the mattress manufacturers you will find they can make any size you want. These stores have jumped up all over the country so use the yellow pages to find one near you. My comment on Sleep # is not so favorable. We have one in the MH and tried to get a part for the circuit board that was burnt out. They don't sell parts but would sell me a new control unit for only $450. + shipping + tax for a total over $500. My sleep # now works with a couple of manual valves and a small pump that also blows up the air mattress we use for overflow with guests. Total cost was about $30.00
We got one from them 2 tears ago and it has been very good. Shipped to you in a roll. Take out the old and put the roll in then undress it. In 24 hours it will be smooth and 8" thick. A queen was around $400 shipped.
Good luck
Ron
Betty and Ron
2002 Bounder 31W
8.1 with 5 speed Allison
2 slides
2005 Colorado toad
I purchased a Innerspace foam mattress last year for the TC. It came from Wallace Sales, Inc.www.wallacesalesinc.com. They have RV mattresses that are already cut to size, with several thickness models available. They also have the same mattress models in the Residential sizes. I have the same model in the house as in the TC. They ship direct to your home or campsite via UPS and there were no shipping charges. I got it in two days (both of them). The mattress unrolls and comes to full size (thickness) in 24 hours. The prices are reasonable, and I really like the mattress, in both beds. Good Luck on your choice.