This is a site where usually people want to look for and discuss lightweight Backpacking gear. The two pounds that the P3 weighs I should think would be unacceptable to most any backpacker when there are options that weigh half as much.

The Hikentrue at < one pound looks very comfortable, and the price is very good. I have never heard of either. I use the smaller Big Agness Air Core. I think it weighs 19 ounces. Heavier than most of my pads, but also the most comfortable.