I enjoyed the movie very much. The humor was a little dry, but I found myself laughing the entire time. I would watch it again, although I would wait till it came out on dvd.
I will admit there were some really funny parts to the movie, but overall I thought it was pretty tasteless. I understand he is trying to bring some issues out into the spotlight, like parents who will allow their toddler to have liposuction just to get a roll in a some production. But there were a lot of parts that have left me speechless. It has taken me 24 hours just to process everything I saw in that movie. If you go see it, brace yourself!
Up is probably the best Disney Pixar movie yet! I loved it! You have to see it in 3D. When we went to see it on opening night we found that most movie theaters in our area were only showing it in traditional 2D. If you have the same problem, I highly recommend doing your research and finding a theater showing it in 3D! Amazing!