Hi rocdred,
I have recently talked with both the manufacturer and retailer of the Saatva and there will be a bit more information added to the comments over the next few days. They are certainly better quality/value than most mainstream mattresses but some of the comparisons on the site are somewhat misleading and not apples to apples comparisons.
The first place to start your research is post #1 here which will give you all the basic information, steps, and guidelines that can help you make the best choices. It will also help you think about mattresses and mattress shopping in very different ways and give you meaningful ways to make quality and value comparisons instead of making a “blind” purchase.
Some of the better options and possibilities I’m aware of in the general Fairfax/DC area are listed in post #2 here.
Phoenix