[Red Max]

Toy-oriented question.

I just started collecting the stuff from W,and I already know the Gaia Memories come in two levels of complexity at least - with the Lost Driver I got Eternal and Skull. Skull is pretty basic, while Eternal has additional button parts in the USB-end of it that give it a wider range of use. Could anyone give me the skinny on this, or maybe point me to a site that details the differences?

Thanks in advance.