Yes traditionally the green is hotter but as i say most places switch it round in the UK anyway. I love Asian food :) its as nice on the eye as it is to the mouth!
No i am English (well my father was scottish so im 50/50 English / Scottish i guess) The best of both my mother would say haha.
I have not been to Asia no :( I have been near When i visited Australia. Amazing place actually and they are very big on Asian food there also :)