We have a Ninja and love it. I have had a vitamix before and they are great except for the price. Ninja hasn't been on the market long enough to compare life spans but so far I love it. For the price you can't go wrong.
Justin Chapple, Food & Wine Deputy Test Kitchen Editor, is back this week with another killer Mad Genius Tip—an ice cream cake made of store-bought ice cream sandwiches, that requires just minutes of prep time.