can someone tell me what the difference between the american and the korean version of these guitars is?

also how much would i be looking to pay for one if i found it in a shop in the uk?
and does anyone know a shop that has any that i could get my hands on?

any help is greatly appreciated.
i used to own a korean one and i sold it because it was crap at holding tune, nice neck though, The americans are just generally better partswise.
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