I gave you a direct link to a page containing all the mapping between GScript 1 and 2. Quite simply, you can use this, along with your existing GScript 1 knowledge to see how the new stuff works. Its not a tutorial as such, but as GScript2 is not the de' facto yet, your unlikely to get much more than the wiki site offers.
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Proof that the staff are crazy.. *Ghost Pirate: I'm a little teacup short and stubbe here is my raygun here is my butt DragonX: Jumping jack rabbits Batman! Our eggo waffles have been stolen! To the batmobile Robin! X-Mann (RC): I have a head ache