Mattresses are such a personal preference but I think it depends on how many nights you spend in a row in the camper. Our backs could take one night but by the second night we could start to feel the pain. By the third night, neither one of us could walk in the morning. We replaced the mattress in our first camper with a memory foam mattress we purchased at Walmart. I fell in love with that mattress, if that's possible, I almost cried when we sold it with the camper. :hihi:
When we purchased the Eagle, it came with an "upgraded mattress" but it didn't seem like much of a pillowtop to me, so it was off to Walmart's website for me. They have different brands and thickness of mattress. Here's a link to the one we purchased: http://www.walmart.com/ip/12-Spa-Sen...ttress/7695950
. The 322 FKS has a "king" size bed but camper mattresses are not standard sizes so we purchased a king size mattress and had to cut it down to fit. To cut it down we measured the old mattress and drew lines on the bottom side. Make sure you unzip and pull back the cover and draw your lines on the foam. (The green foam is the memory foam and is the top of the mattress.) We then used an electric knife (the one we're supposed to use to carve meat) and cut through each layer of foam. Pull the cover back, zip it up and then I safety pin the excess cover on the underside. Put your sheets on and you're ready to go! A helpful hint...if you do your cutting before the mattress has fully expanded - it's much easier than trying to cut through 12 inches of foam.....just ask my DH!
Also, DH had a great idea for carrying it out to the camper. We used tie-down straps and looped them under the mattress, while it was standing on it's side, and then looped the straps around our wrists. Much easier to carry because they are heavy and awkward. We've seen delivery people and our movers use this method and it works!