Received my Zinus Pressure Relief Euro Top iCoil mattress last week.  Shipping was really fast.  It arrived compressed. Really unbelievable they can squish this mattress so much.. lol..  Anyway, removed wrapping and voila.. instant bed!  Just a little smell that took a couple days to completely go away.  Been sleeping on it for about a week.  Put a puffy mattress pad on and is cozy perfect.  Absolutely no pain.  I can sleep on my side comfortably without my legs hurting or going to sleep.  So, so far Love It!  Will order another one for our vacation home.