Is it acceptable morally to download and watch movies before it is released in your country?

I am not a serial downloader. but as you know, man y major movies are released in the uk man y weeks after they have been shown in the us. in the mean time you can find them on the internet. so is it acceptable morally to download and watch movies before it is released in your country?
Answer
My personal feelings it that it is not acceptable, but with the bizarre release patterns, the studios bring it on them selves