I live at Austin and my Time Warner cable modem worked for me fine and the speed suffices for my typical needs, however it's $64/month, I would switch to Google-Fiber anytime soon as long as it opens in my community, though I don't know how I am going to use that 1Gbps bandwidth.
If 1Gbps becomes a reality, then each house can become a small data-center, which was limited by upstream speed (less than 2Mbps) in the past.
Imagining what you would do with 1Gbps is difficult because bandwidth of that speed is not common. If such bandwidth were common, products specifically leveraging it would also be.
You'll have to wait a number of years, but the killer app for 1gbps is virtual reality with the data mostly stored in the cloud. It's going to require extraordinarily fast broadband to reach its potential.
The things people think of today for home broadband uses (video, gaming), will be considered a joke in ten years when it comes to using bandwidth.
If 1Gbps becomes a reality, then each house can become a small data-center, which was limited by upstream speed (less than 2Mbps) in the past.