Om Malik, is one of the most respected telecom watchers and lives in San Francisco, one of our most technologically elite cities. That combination should make him elite - he should have the creme de la creme when it comes to mobile voice and data coverage.
Instead he dropped the iPhone because of AT&T's poor coverage, and now has the Blackberry Curve 8900, which on T-Mobile. does not support 3G coverage.
In both cases, he found plenty to like about the devices. The networks, on the other hand, are not keeping up with the rate of innovation in devices.