Ah, mattresses. That's a tough one, that.
Truth is, for a truely good value, you're going to want to spend a lot. Nothing anyone really wants to hear though, is it?
Every type of mattresses (air, foam, water, spring, or any mix thereof) has their pros and cons. What you ultimately settle on depends on what your needs are, and more importantly, how much you're willing to spend.
Here's my
blog entry on my thinking for mattresses, and you can see pictures of my mattress in
this blog entry.
Suffice to say, I've spent an outrageous sum, but it's the only thing that I am currently willing to pay $$$ for. I should also add that it's been a very nice, comfortable mattress that requires next to no maintenance, and over time, it should also end up as a better value than buying less expensive mattresses.