Instead of buying on Amazon.co.uk (and waiting till August) you can try to buy it at once. Here are a few on-line shops:
http://www.best-dvd-price.co.uk/comp...000R56WTG.html
I bought the DVD yesterday on Blah Dvd shop and it has already been sent to Poland. It's going to arrive to me in 3-5 working days, as they promised
)
Regards
Krzysztof