well, Marshall USA charges double (or more) for the privilege to import to the US...I wonder how much of the decision was based on trying to get out from under the strain caused by an inefficient distribution system. Trying to ship to as much of the world as possible can suck up a lot of cash and time and time is also money. Worldwide (or nearly) logistics can suck.
a $900 amp in UK/EU costs $1800 here a $600 cab (UK/EU) can cost $1800 here...