LOL adding $1,000 to the price of a laptop just for fast boots? LOL!!!!

And laptop performance overall will will get cut nearly in half or worse. These flash based SSDs are slower than molasses for the majority of computing tasks - which involve accessing hundreds or even thousands of small files and/or relative seeks into DB files. Even a junky drive from 6 years ago out preforms flash based SSDs in these areas.

Maybe if you had 20 or 40 of them in a RAID0 configuration and a fast controller...

Battery life would be improved some as you mentions but not that much. Perhaps 20% ~ 30% increase.

All things considered flash based SSDs unless offered at a competing price point with current magnetic HDDs are a no sale for anyone who can read, think or has ever used them.

I feel this is a bit like developing a 110 film camera that can autowind 20 FPS and that sells for $5,000. OK, it's interesting - but of absolutely no realistic benefit and priced so far out of reach no sane persons would consider it without a mission-critical purpose.