Shelties are gorgeous little dogs. I like the idea of a dog that I don't have to keep on a leash, too. My pug stuck close by, but she was very protective, so she'd go chasing after things that got too close.
My aunt had a Shitzu names Peanut, ha ha. That was the sweetest dog in the world.
Yes, I definitely want a small dog, I live in a condo and don't get out too much (shocker!) So little dogs are the best fit for me.
I like Bostons because I prefer the bully type dog, though I'm also looking at miniature Dachshunds; I had one growing up and they're fun little dogs, too. Plus, they live forever... I had a friend whose Datsun lived to be 22!