just an idea not nec the best way ....order it from the bank maybe see if u can put it in one of those us $$ Travelex travel cards maybe break it up over a few then re-cash it in when the exchange drops
i know they take your details so I am not sure if the tax dept gets on to this but if u open a foreign account in US $$ u pay CGT - if u dont care about tax open a foreign account at a bank u still get interest after the first certain amount
