I would have to say SHIBA INU!!!!
We just got ours in August and could not have found a better companion. It helps that we got him already housebroken and knowing a few commands, but he is learning from us, as we are from him--we have to buy a bigger bed, because he is KING!!!

I am biased though, because I have one, but I also have a huge soft spot for beagles (we had one growing up), as well as huskies and goldens.