5 more Office 2010 Language Interface Packs (Nynorsk, Persian, Urdu, Uzbek & Welsh) have gone live in the last month.
You can download them from the following locations:
These LIPs allow you to change your Office User Interface to the languages above in the following Office 2010 applications: Excel, OneNote, Outlook, PowerPoint and Word. They also allow you to use the speller in these languages.
For instructions on how to install them please go to this page on my blog.