Hopefully the DVD's you're looking for aren't AV's...
I kid! But specifically can you link to what you're talking about? There might be a way around it. If you're looking for someone in Japan to mail you the package, then you may or may not be in for a shock, beacuse in my experience (like a few weeks ago), a small, flat-rate box from Japan to the US is around 40 or 50 dollars! O_O;