Would still go with AT&T over cable.
http://www.dslreports.com/shownews/Cox-Hints-at-1-Gbps-Speeds-Talks-About-Streaming-TV-Plans-126508
http://www.dslreports.com/shownews/Cox-Hints-at-1-Gbps-Speeds-Talks-About-Streaming-TV-Plans-126508