AT&T Details Pledge to Improve NYC and SF Coverage

So far the official word is: "they are going to be rolling it out to 30 major markets by mid 2010 and to all of the 3G footprint by end of 2010".
Here is a little article that I found on PCmagazine.com and what they had to say about T-Mobile's HSPA+ network.

HSPA+, the technology that T-Mobile will use to increase network performance in 2010. A tech blogger and PC World recently test drove HSPA+ and liked what they saw. Clearwire’s rep did not.

“PCMag sent our managing editor for mobile, Sascha Segan, down to Philly to do some bandwidth testing. He found that HSPA+ could go toe-to-toe with a 4G network.”

“I found it to be much faster than Verizon's and Sprint's 3G networks, and even sometimes faster than WiMAX – and that's using older devices that can't get anywhere near HSPA+'s maximum speed. In other words, it's only going to get faster,” Sascha wrote.

“The rep from Clear (Clear Communications, aka Clearwire) was showing off his services to the public and told everyone it was faster than our 3G services,” said IT Administrator John Sankus.

“When we put it to the test, the results came back that our service was not only faster,” said Sankus,” but consistently showed a solid connection resulting in not a single service interruption to our mobile retail store all day.”

Speed tests run by each rep on their own laptops provided the data. T-Mobile HSPA+ download was as much as 22% faster; upload was more than 90% faster.

Sankus said later he wished he could have taken a picture of the Clear rep when they compared results, because, “It was priceless.”

“Not only did the Clear rep stop pushing so hard, he left early.”

Kevin Tofel, a tech blogger in Philadelphia, recently tested the new technology. Using the webConnect USB Stick and a Nokia N900 device, Kevin reported that “… the race for faster mobile broadband is on and in my back yard, T-Mobile’s HSPA+ just took the lead.”

Tofel compared HSPA+ to WiMAX, a type of broadband network, and wrote that “testing the HSPA+ network today deals a bit of a bloody blow to WiMAX in my mind – T-Mobile will have it rolled out faster and existing hardware will benefit immediately from it.”

This is all directly quoted from PC Magazine.com