This deal has ended.
Overstock drops the price of the Comfort Dreams Select-A-Firmness 9-inch Queen-size Memory Foam Mattress from $359.99 to $299.99 through 2/17. Better yet, activate this link to cut it to $289.99. With $2.95 shipping, that's the lowest price we've seen to date. It is well-reviewed with 4.5 out of 5 stars from 20 buyers, and it is available at this price in three different firmness degrees. There is no sales tax (except UT).