Microsoft has released all language packs for Office 2010 on MSDN/Technet today, so it will not take long time before it's available for downloading on the internet. Each language packs takes around 400 MB. And you have to download one DVD for 32bit and one for 64bit.
Thanks for the heads-up. Proabably wouldn't have noticed myself until next week. Already playing around with setting up multi-language install scenarios.