- There is only one GP32 model.
- There is a modified GP32 which includes a FrontLit screen.
- The modified GP32 is in no other way changed.
- This is called the GP32 FLU, which stands for FrontLit Unit.
There is another version that is apparently in testing, I think its called a GPI. It has a clamshell design and a front lit screen, has a few more capabilities like web broswer and phone.