I purchased my very first Sealy Posture-pedic firm (comfort level 3) for US-Mattress online last November 2008. At first it was great! The comfort level was amazing but it is starting to sag on the side that I sleep on and create an indentation, too. If I want to roll over to the other side of the bed, it is almost like I have to climb up a hill. I am very disappointed with my mattress and of course all sales are final after a 100 day trial. My next mattress will be a regular firm without the pillowtop (when I can afford it). The box spring also seems to be losing its shape, too. I chosed to 5 inch instead of the 9 inch. It also came with the heavy duty bedframe. I recommend that anyone who purchases a Sealy Euro Firm Pillowtop to really do your homework and ask a lot of questions about the reality of the support over a period of time. Well...time to go to bed and feel like I'm going to fall off the edge due to the sagging. Good night all.
Ms. Hughes