What color should I change my black glass iPhone 4?

[iTz MrLim]

Im trying to decide what color glass I should put on my iPhone 4. Its scratched up and I think its time to change it. Should I just get another Black one or should i get a different type of color?

 

[eelhead]

Do something crazy and out there, be a bit different

 

[Keanulaszlo]

Neon green!