SBC/at&t has bundled packages. phone, dsl, digital dish, cell phone.
DSL for 12.99 a mnth Download speeds up to 1.5 Mbps for one year.
double the speed to up to 3.0 Mbps for 17.99 a mnth for one year.
not sure about all the other prices but you can see
here
some folks swear by cable but I have had cable and dsl. i am now running dsl and am quite happy with the speed i get.
the closer you are to a central office makes a difference on optimal speed.