I don't care much at all what happens to the portable music whassits (512mb of flash is plenty for me...) but I am a fan of tiny laptops. And those tend to use 1.8 inch drives. I don't see flash as a reasonable laptop storage device yet, since the size and price haven't really gotten to the right point, and I'd be rather sad to see spinning drives leave the ultra portable range.
And booting a computer that should use a 1.8 inch hdd from ram doesn't make sense at all, for a number of reasons. I mean in order for the 'restore in a matter of seconds' thing to work, you have to have a known good image of the ram on your magnetic storage, meaning that you have to sync it before you shut down (IE suspend to disc - people do that all the time already) or you have to leave the boot ram totally unmodified, which is just not useful in the least. Plus there is size, secondary battery, and cost to consider, none of which will help for laptops that generally weigh under 3 pounds and cost over $2000 USD with a standard, cheap harddrive.
And if the comments were just generally aimed towards the end of spinning magnetic storage... well then you're just terribly misguided. Its going to be a long time before anyone can cram 3TB of raid5 flash or ram into a fileserver for a reasonable price, which is trivial with standard disks.