I was a bit hesitant to order a mattress on-line, but I am so glad I did. Delivery in 3 days, and then, my best nights sleep I can recall for a long, long time. I have had 2 major back surgeries. I knew my old mattress had seen better days and asked a lot of people about the memory foam type. Everyone I talked to that has one love it. And now I see why. This is, without a doubt, the most comfortable mattress I have ever slept on. I usually wake up and immediately get out of bed, but this morning I just laid there enjoying every moment. No smell, no excessive heat issues. Perfection. Seriously. You won't be dissapointed.