And if the makers won't answer. Don't buy it.
I can answer the hybrid question. The maker tells us that as the flash fails, it becomes a normal drive.
More at http://www.codinghorror.com/blog/2011/05/the-hot-crazy-solid-state-drive-scale.html
They didn't go into deep details but not one drive lasted 2 years but they keep buying them.
Frankly, why not do that since we all backup what we can't lose?
Bob
Will a flash drive or SSD entirely fail when part of its memory modules worn out?
If the non-volatile memory of a hybrid drive fails, will it still workable?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic