Green Sidekick Which Is Better To Get Sidekick(lime Green), Sidekick LX, Blackberry Curve (Titanium)??? ?

Which is better to get Sidekick(lime green), Sidekick LX, Blackberry Curve (Titanium)??? ? - green sidekick

Please, if the answer or a reason why they should. That is the true meaning. Let me tell you not only does it cuz its cool and new ....
WHYwith me an acceptable answer which is convincing, but true.