This deal has ended.
Through Monday, Overstock.com has this 14" Pillow Top Queen Memory Foam Mattress, normally at an Overstock-ed price of $600, is just $539.99 after a promotion for 10% off all bedroom furniture. The 10% discount combines with this 7% off coupon to cut the price to just $502.19. Plus, shipping adds only $1 and there is no sales tax (except IN, UT). This has incredible reviews: almost 400 other Overstock buyers have rated this a 4.7 out of 5.