The wife and I are finally "springing" for a new mattress. Intrigued by all of the new companies in the market. After reading reviews from Sleepopolis and SleepSherpa, I've narrowed it down to a few contenders in the $500-$900 range. Tuft & Needle Casper Brooklyn Bedding Ghost bed Leesa Lull Any input or feedback? Anyone have firsthand experience with these? Thanks.