It's good. Not the best Tarantino, or even the second or third best, but still good. Quite a lot of anachronisms and historical inaccuracies, but it's not meant to be accurate, it's meant to entertain. Anyone going to this movie expecting some powerful message will be deeply disappointed. Tarantino is never about sending a message, despite what the more pretentious moviegoers might tell you.
It's very violent, and pretty disturbing in places, but as is the norm, Tarantino uses those moments to build towards the end of the movie. Great performance from all involved. Christoph Waltz is just phenomenal, Jamie Foxx is fantastic and even Di Caprio is convincing and puts in a good performance. The humor is pretty decenly spaced and is not presented with very stark contrast to the main plot or the action going on, the scenes themselves are all very good. Worth a look.
There was this monkey, right?