People posting Shibas.... I'd be careful. My GF has one and they have a ton of energy and don't really like people much. It's like a super energetic cat.
My choice is a pit bull. I always liked how they look, but the fact that they've been selectively breed by alot of assholes makes me very weary of getting one from a shelter.
Old english shepards are beautifyl, but I wouldn't want to deal with that much brushing.
I have a Shiba and can attest to this. Hes cray cray and doesnt like people for the first 5-6 meetings then he warms up.