I've had road runner cable for years. It started out shaky, until they found a broken wire. Even so, once all the kids in the neighborhood get home from school, it slows. Nothing like dial up of course.
I would switch to DSL in a NY minute, if it were availble in my area both for costs and the fact that my cable occasionally goes out, and my phone never does. I run a biz from home, so I'm paying for AOL dial up as well to cover my butt in the down times. I have full aol at a discount, but it still means my rates are higher.