I've been using this cold brewer for almost a month now and I couldn't be happier.
There was the time I dropped this on the ground ON THE GROUND and it didn't break. But really, the magic is the flavor of espresso beans that have been cold brewed. They actually taste sweet.
Protip: don't just fill the basket with grounds, PACK the grounds (push them into the basket) and you'll end up with a much stronger brew. It's almost completely air tight, so you're safe brewing this at room temperature (in fact, I recommend it, as it brews a little better than in the fridge)