yes - Fitbit Blaze
yes - it keeps me motivated to keep going. I find that it keeps pretty good track of my HR and I'll admit it, when I reach my "calories burned" goal for the day it gives me a sense of accomplishment.
I've owned just about every incarnation of Fitbit tracker. I started with the Fitbit One, then moved to the Flex, Charge, Charge HR and now the Blaze. just yesterday I put in my pre-order for the Ionic because I want one that's water resistant. good timing on Fitbit's part because I was starting to consider getting an Apple Watch instead.