In my case, their published (non-promotional) rates were cheaper than the bonded DSL I was using. I really didn't want to switch, but I just couldn't justify the amount I was spending for the bandwidth I got.
That didn't work for me. I threatened to leave for CenturyLink DSL unless they could give me a better deal and the only thing the lady offered me was a triple play package for more than what I was already paying. So I had to switch over to DSL at 12/1 speeds.
The one good thing is that CenturyLink isn't part of that 6 strikes deal.