This deal has ended.
Get a Queen Nature's Dream 10" Memory Foam Mattress for $499 via Groupon. Even better, shipping is included in the price. This saves as much as $800! This memory foam mattress comes with a hypoallergenic velour cover. Note that there is a limit of 1 per person, although 3 additional mattresses can be bought as gifts. Sales tax is charged in most states.