I upgraded to Win8 Pro today, from an English version of Vista.
I am based in Japan and bought my computer here, so I am using a Japanese layout Dell keyboard,
which worked fine under Vista. Now however, Windows 8 is using the US keyboard layout, and even if I
change the layout to Japanese IME, or to English with Japanese layout, it still sticks with the US layout.
This is very inconvenient, since I cannot type in Japanese and all the keys are messed up.
I downloaded the Japanese language pack and even changed the OS language into Japanese, which enabled me to write in Japanese,
but the layout was still the US one, so the conversion keys did not work and all special characters are messed up.
Strangely enough, changing to German layout, the change actually works and the keys correspond to where they would be on a German keyboard.
Right now, not being able to use my keyboard properly under Windows makes the whole system pretty much unusable for me.