Update: Watch out for the price increase. Overstock drops the price of the Serta Deluxe 2 inch Memory Foam Mattress Topper, originally $199.99, to $72.99 $81.99 for a new all time low as part of their Red Line Deals. Plus, shipping is free. This well reviewed topper has 4.6 out of 5 stars from 3,700 reviewers and is available a this price in five different sizes and come complete with a three year warranty. Shipping is $2.95 and there is no sales tax (except UT).