I did last week. Easy, filled out a form that took about 10 minutes.
It cost $45 to wire international.
It was after 2PM, so wire didn't send til next day. I emailed OpenPandora to give them a heads up.
I checked my account & it showed the funds that I transfered were pending. (Thursday)
The next day (Friday) it cleared my account. I also had an email Friday morning from Open Pandora letting me know they had my £