This is for all those botters out there, Want to get your hands on Russian copy of the game but cant play in English? Do this and it iwll change your language from RU to English for you.
You can find cheap D3 Accounts that are in Russian for around 40$
Anyway, if you have error 81/82/83/84 (depends on your locale), here is a fix for it, now you can play Diablo 3 in any language you want:
http://necrotoolz.sourceforge.net/d3/