I honestly didn't have a lot of faith that I would like this mattress. I typically want to try-before-I-buy with a big purchase. Anyhow, I took a chance, and, so far, have ended up with a great product. I've been sleeping on it for about a month now and it's super comfortable. It has the right amount of firmness for me, which is on the firmer side. Also, I'm a very heavy guy, so getting that extra support is really great. It's not super hot or anything either, like foam mattresses that I've had in the past. I got a deal that gave me two pillows. I would absolutely not recommend them for a stomach sleeper, as you'll just crush them, but they work really well when I sleep on my side or back. The reason for 4 instead of 5 stars is that I also ordered the platform. I guess I didn't read it well enough, but I thought it was a raised platform, not just a wood box. Also, assembly of that thing was annoying. It would make SO much more sense to save your money and go buy a 16" (or whatever makes you comfortable) metal bed frame. That's what I've done and it's working great with the mattress.
I read all the reviews and had to try it out for myself. Now, I never want to leave my bed! It provides great support for those suffering from back complications and stays cool all night. Best bed ever!
The mattress is a lot firmer than our previous mattress (but it was also >8 years old!) and we absolutely love it! I have had much better sleep each night since getting it and my arms are not numb when I wake up. Thanks!