Bests & Worsts Reviews from Amazon

First things first, I bought this direct from Tuft & Needle. I wanted the full 100 night trial, instead of the 30 nights through Amazon. They did not ask me to post this review on Amazon, I wanted to give feedback since I had noticed some rumblings about reviews coming from Non-verified purchases, etc. I've had the mattress since Friday. Here are my initial observations: 1. After taking out of the box, I would say that from unrolling the first layer of plastic to fully expanded took about 2 minutes 2. I think it might be an inch or two wider than a standard king mattress. I have not measured it but it does not quite fit in between the rails of my platform bed. It is not bothersome and does not hang over. 3. Agree with other reviewers, the sides do not have much support when sitting upright with the full weight of your body on the edge. But I don't typically linger sitting on the side of my mattress. Maybe a lean back to pull on a sock or two or shake the cobwebs out of my head before I get up. I don't feel that it in any way diminishes the sleeping area of the mattress because when you are sprawled out and spreading your weight more evenly on the mattress, you don't notice it. 4. Smell - there really wasn't an odor to the mattress at all. In fact, it just smells fresh/new. 5. Firmness - I think the reviewer that stated it was about a 7 out of 10 was pretty close. I am a side sleeper and find it closer to an 8 out of 10. My husband thinks it's fantastic, so I am sure that tossing a memory foam topper on it will make us both perfectly happy. In summary, if you are looking for the marshmallow-like squish and conformity of a classic well-known memory foam brand, this is NOT the mattress for you. It is however, uniformly firm and supportive with just the right amount of give and a complete lack of motion transfer.