this seems redundant to me if u have a great blender.
also, their track record is not good, so replacing every 2-3 years is a waste of $$ and resources.
i have a Vitamix that is over 10 years old and still going strong. i use it multiple times a day. chops ice like a pro, no raspberry seeds, liquifies greens... its just the best.
yes, its a big investment up front but you will have it 10 times over the Ninja, which in the long run will be cheaper than the multiple Ninja's you will purchase.
and its still made in USA!! Ninja = China
buy a Yeti or equivalent for the "insulated sleeve" to keep your beverage hot or cold.
Bring nature home, plant native species to your area