CASPER WAVE HYBRID MATTRESS VS SERENITY WAVE HYBRID MATTRESS

I am a big fan of TSC (The Shopping Channel).  I have spent countless hours and cash on their unique affordable items.

I was intrigued when I saw their “Specials” on the Casper Wave Hybrid Mattress yesterday. The "sale" prices listed below are half off the regular price (shown August 26, 2024). It is a quality boxed mattress, and the features remind me of our own SERENITY mattress. I compared them in the following table.  What I observed was quite interesting:

Furthermore, the Serenity is available in both PLUSH and FIRM tops to suit your pleasure.

Which do you think has the best value?