Given the difference in how the phones operate, the question of whether it is possible to use a prepaid BlackBerry is a little more complicated than if you were interested in using a prepaid Windows Mobile phone or prepaid SideKick phone.
The Sidekick 3, available through T-Mobile and Suncom Wireless, is easily one of the most popular cell phones on the market, especially among younger people who just can't get enough of the mobile email and instant messaging services.
After all, downloading all the free Sidekick 3 themes you want off of the internet onto your computer isn't all that useful if you can never send the cell phone theme over to the Sidekick 3 itself and get it up and running.
Seeing how the T-Mobile G1 will launch initially through T-Mobile and seeing how it has such a similar form factor, there have been many comparisons drawn between it and the Sidekick line of mobile phones.
Sidekick 3: Available through T-Mobile, this is not a business-oriented device, instead being marketed to the trendy youth market with its swiveling screen, myFaves integration, and attractive appearance.
Featuring a loner (and arguable a loser), the quintessential tough-guy down on his luck, the online playing field, the mysterious female sidekick, Neuromancer won both the Hugo and the Nebula awards.
The trouble is, so many people have the Sidekick 3 -- which is manufactured by , designed by Danger, and occasionally sold as the HipTop 3 -- so it can be difficult to have a truly original look.
There are several different websites out there were you can get your hands on free Sidekick 3 themes, each of which will completely change the look of the user interface in fun and whacky ways.
Perhaps two of the greatest examples of this trend toward more widespread use of PDA cellular phones are the T-Mobile Sidekick 3 and the trendy services offered by Amp'd Mobile.
I passed Corday and his sidekick headed this way.