Previously we had a nice namebrand inner spring, 1.5" pillow top mattress, with an added 2" memory foam pad and a mattress pad heater. It was a good combo but after 20 years it was developed a 'valley' in the middle so our sleep was not as pain-free as we wanted and it was sometimes a 'challenge' to climb out of the middle so we decided to get another one. My significant other found this purple site and we were both intrigued by the support/cradle combo of the purple and base foams. She also liked the description of how it sleeps cooler as she typically has 2-4 hot flashes a night and has to throw off all the covers. We ordered the purple king, enjoyed the numerous email updates on the shipping status and got the bed. A) It is 150 lbs - there are 2 handles on each end which really help to carry it. B) The attached cutter really does go easily through the straps and all just like they say. C) It does open quickly once finally cut loose so be prepared and don't leave fragile things on headboards/dressers nearby it case it unfolds and hits one of those. It was fully uncompressed in a short time and we really liked the way it gently cradled while also giving full support. Compared to our previous combo, it was not as 'cushy' as we were used to - but it did a great job of keeping the back aligned whether on our side or back just as advertised. Our first night, we used a set of high thread count cotton sheets (no stretch) and discovered the sheet does make a difference in the performance of the purple foam cradling. Purple recommends a stretchy sheet so we got one for night 2+ and the stretchy sheet was a significant improvement to allow the Purple to do its thing. As for the cooling - she has not had to throw the sheets off yet due to a hot flash, even after a few weeks! Neither of us feels the other person move or toss or flip or get out of bed either - the 'isolation' factor is fantastic. So - why are we not keeping it? Two reasons. First, we realized we both prefer more sinkage (a 'cushier' feel), something lower on the firmness scale. Two - for me (the guy) it slept too cool. While she loved it, I was feeling cold and typically didn't sleep well because of that. I could wear more to bed to offset that but I am a very picky sleeper (she teases me about how much effort I go through to get everything just right) and that was not something I wanted to do. After a month, I had to admit that my sleep was not as good as I wanted it to be for the next 5-20 years. She would have kept it if was just her but we had agreed that whatever we bought had to work well for both of us. Let me take a minute to discuss the customer service before I finish - it is fantastic! There was a minor issue with the mattress - that had no affect on its performance - but when we called Purple at 8:30pm (presumably to leave a message), the phone was answered and the issue immediately and pleasantly resolved. Plus when we decided to not keep the mattress, they were again professional, pleasant and expressed again they wanted us to be happy with the purchase. So the mattress does everything they advertise, their customer service is exceptional and if it sounds like this is a mattress that could work for you then we would still encourage you to give it a try.