I've had my NutriBullet Pro for a couple of months now. I have been very happy with it. It is powerful & doesn't have a problem chopping anything I've tried so far. There have been a couple of times when I thought I'd tightened it enough, but it leaked, so now I am very conscientious about screwing it together tightly.
I got teeth pulled and had to pretty much be on liguid diet. It is working great! Although, I do not like the fact at all that you cannot finish the registration of your product with out a computer or some way to print out your email page and send it back to you. So if i do have problems you may not help because i couldnt "finish" registering. All i have is a cell phone. This needs to change.....As of now, very happy.
We have had our NutriBullet Pro for over a year and a half. It continues to work just as great as the day we purchased it. We primarily use it for making smoothies and pina coladas.