So I could in a discussion with a friend of mine about this. I maintained that Slytherin was the best house, while he maintained Hufflepuff was the best house. Needless to say, I'm a Slytherin and he's a Hufflepuff, so the arguments were more biased. I'm not necessarily in the mood to argue about which house is the best, but I still am curious about everyone's opinions.
So, which house do you think is best? Why? It might be helpful to say the house you're in, while you're at it.