 Save up to $500 on Tempur-Pedic sets and get a $300 prepaid Visa card. Save up to $500 on Sealy sets. Get a $100 prepaid Visa card. Now, Mattress Express has the largest selection of purple mattresses in upstate New York. We sell for the same price as online. And at Memorial Day deals, you can save up to $800 on a purple set.