I have Comcast broadband + cable in Madison (we don't have landlines, cut that cord 10 years ago). U-verse is available in half of my neighborhood, but not the half I'm in.
Comcast's broadband internet is pretty good. About 2 years ago it hit a rough patch for 3-4 months where it was going out a lot, but whatever it was they fixed it, and that's the only problem I've had w/ it in 6 years here.
The (ludicrously well-documented) problem w/ Comcast is customer service. It is abysmal. Last summer I bought my own cable modem so I didn't have to pay them $8/month to rent a 1987 Motorola modem from them anymore; opened my bill last week (I usu throw them away, since it's drafted out of my account), and there was a now-$10 charge for modem rental. They had never quit charging me for it, and on Jan. 1 had upped it from $8 to $10/month. Called and had to raise 10 kinds of hell w/ a dude I could barely understand to get it all credited back to my account. Right now none of my movie channels are working, so when I called to get a service appointment and ask for a credit, another girl, who I also couldn't understand, told me I'd already been credited for the movie channels not working (she was talking about the phantom modem-rental credit).
Also - they always give you an "introductory rate" on broadband - usu about $45-$50/month, then it jumps up to around $60-$65/month. So every 6 months or so I have to have a drink or two, mentally prepare myself for battle, and call them and threaten to cancel the whole thing until they offer the introductory rate again. So the service is pretty good, but dealing with them is a nightmare.
The people in my neighborhood who have U-verse all like it. I'd switch in a heartbeat if it were available.