While living in my apartment, I had comcast. One of their technicians stole my ipod from my computer desk while my back was turned, and fight with them as often as I did, their terrible customer service wouldn't credit my bill, reduce my services, or replace my ipod. I even filed a police report!!!! I know it was the tech cuz I used it earlier that day, and after he left when I went to use it again, it was gone.
I now have AT&T Uverse, and its awesome. I got 250 in visa gift cards after signing up and there is no "introductory rates" like comcast, and I've never had an issue with the customer service. Edited my response to add that I pay 135 a month for internet & cable, I have no need for home phone, and I have HBO as a premium channel.
I have no experience with WOW.