Thumb Score: +1

UPDATE: It appears that the Mattress + Adjustable Bed Base Bundle option also yield all-time CCC low prices for every corresponding size. It comes with a 10.5" Ventilated Cool Gel Memory Foam Mattress, although I cannot vouch for the quality of it since I previously purchased the bed base only.

Previous FP deal at $ 469 (Queen). All of the following sizes are all-time lows or near all-time lows according to CCC:[list][*]Twin XL [amazon.com] – $ 331.49