Hi src1425,
The better options and possibilities I’m aware of in the region around Washington, DC are listed in post #2 here.
While none of them are members here (and they are the only ones that I officially recommend) … the manufacturers and retailers that are members are not the only sources of good quality and value across the country and there are certainly some better options and possibilities in the area (including Urban Mattress).
If you follow the steps in the tutorial post one by one you will have the highest possible odds of making a great mattress purchase :).
Phoenix