Mattress pads..feather bed or memory foam??

I’m getting a new camper and the matteress in it is pretty cheap.I’ve been looking on e-bay and can’t decide on a mattteress pad..can anyone give me some pros and or cons to help me decide? Thank you

I’m getting a new camper and the matteress in it is pretty cheap.I’ve been looking on e-bay and can’t decide on a mattteress pad..can anyone give me some pros and or cons to help me decide? Thank you
I recieved my plush memory foam mattress over the weekend. Its a 10 inch mattress with 3 inches of foam. In the showroom it was extremely comfortable. Its like sleeping on a hardwood floor. I thought I recieved the wrong one. When I called the store they told me to put a heating pad on it and to also jump on it! It was expensive. Its this typical for these types of mattresses?

I bought this one from Walmart
http://www.walmart.com/catalog/allReviews.do?product_id=10378952
After I had it all set up w/the cotton matress cover, and sheets and comforter, I happened across the instructions that fell out of the box. It said to let the pad lay out on the floor for two days before using so it can air out , and get puffy. This wasnt a good option for me, b/c I wanted to suprise my husband with the pad, and bedtime was only about 3 hours away. So its been a week, and we just love it, so Im sure its fine, but thought I would ask anyway.

I went to Bed Bath and Beyond looking for memory foam pads and pillows for someone with back problems, but they were really expensive and I was wondering if there is a better place to look for this. I live in the average suburbs and I have all the typical stores and mall. I was thinking – department stores or a mattress store?
Product Description
Soft Sleeper 5.5 has found a way to give you the same great sleep surface as a $5,000 visco-elastic foam mattress for a price starting at 94% less the cost of a traditional visco foam mattress that sell at some retailers for over $5,000! There is a revolution going on in bedrooms across the country. The revolution is not between the sheets…it’s under them! Visco-Elastic memory foam uses a technology first developed by NASA to make the most comfort sleep surfac… More >>
Price: Too low to display
Rating: ( reviews)
Expandable Cover With This Soft Sleeper 5.5 King 2 Inch 100% Visco Elastic Memory Foam Mattress Pad Bed Topper Overlay

I’ve been shopping online for a memory foam mattress and I found one for a good price that is 5″ thick. Is this good enough for sleeping on every night?
I’ve never been on a memory foam mattress before and was wondering what depth you have tried and what you thought about it.
Product Description
Soft Sleeper 6.5 has found a way to give you the same great sleep surface as a $5,000 visco-elastic foam mattress for a price starting at 94% less the cost of a traditional visco foam mattress that sell at some retailers for over $5,000! There is a revolution going on in bedrooms across the country. The revolution is not between the sheets…it’s under them! Visco-Elastic memory foam uses a technology first developed by NASA to make the most comfort sleep surfac… More >>
Price: $119.99
Rating: 4.5 (19 reviews)
Ortho-pedic Contour Pillow With This Soft Sleeper 6.5 Queen 3 Inch Memory Foam Mattress Pad Topper