Purchased a S&F King Mattress in 2006. Paid almost $2, 500. "Holes/sagging" from early on - within first year. Once you get stuck in it, can't roll out. Caused considerable back pain as well. Contacted store - Art Van who sent someone out to review. Sagging was only 3/4"; not enough to merit a response. Filed a claim with Sealy/S&F in 2007 --- poor, poor, unresponsive customer service. Non answered phone calls, terrible web claim management. The sagging has just become worse and worse, as well as the associated chronic... read full review »