Call it what you want - T-Mobile Sidekick 3, Danger Sidekick, Sidekick Phone, or just plain Sidekick 
(just not Sidekick III, please, because they have done away with the Roman numerals with the introduction of the Sidekick 3), the T Mobile Sidekick 3 is the hottest new device to hit the streets.
It should suprise nobody that I was first in line to order a T Mobile Sidekick 3. And I was pleasantly surpised when my brand new Sidekick 3 arrived at my door the next day, despite having requested 2-day service. Nice!
As I was actually on my way out the door, I grabbed the box, got in the car, and hungrily ripped open the box so that I could start charging my Sidekick 3 with my vehicle charger. T-Mobile Sidekick 3 Review: A Side-by-Side Comparison and Review of the T Mobile Sidekick 3