The iPad has established itself as "the" tablet computer for gadgeteers on the go. But Google is giving Apple a run for their money as Android tablets improve with each new release. Motorola XOOM and Samsung Galaxy are among the top dogs competing against the iPad, along with another from ASUS, which just became available yesterday in the United States—selling out in mere minutes. Now, don't let the name fool you. When I first heard it, I thought it was some horrible Michael Bay creation ca...