I have not yet tried it, but someone wrote recently that setting the delivery address on ones PayPal account should work, too. If you want to take advantage of a large discount, you can't pay with Micropay, and I'm going to try this next time.
I have noticed that 4 out of the last 5 books I've wanted to buy at FW have been geographically restricted - I share your pain

It's not enough having to jump through hoops with regards to file formats, no, we have to deal with this, too. It's not a completely bad thing though, I'm saving money because I buy less books