From the article:
"...Still, Hays and Sharma both argued that Verizon and Sprint had less of a choice about upgrading, since their 3G networks are already running at maximum speeds.
T-Mobile and AT&T run their 3G networks on a different standard, which experts say has a maximum speed of about 21 megabits per second -- faster than the speeds LTE will likely be able to offer right off the bat...."
If we can believe that, it lends credence to AT&T's claim of faster 3G. And makes me have little interest in the first deployed versions of 4G.
I'm happy with AT&T because they cover well where I use it. But they certainly need to expand that coverage in a really big way over the next few years.
And why didn't Verizon notice the coverage difference earlier, and advertise such years ago? Were they able to greatly expand coverage in just a year or two?