MOSS 2007, Office System 2007 and "The new world of work"
Here is some usefull information regarding MOSS language packs. It seems that MOSS language packs are only available through Volume Licensing at the moment.
MVLS: https://licensing.microsoft.com/eLicense/L1033/Default.aspMS.Com/eOpen: https://eopen.microsoft.com/EN/default.asp
More information:http://blogs.msdn.com/sharepoint/archive/2006/08/17/2007-office-system-server-products-language-offerings.aspx
Install available language template packs http://technet2.microsoft.com/Office/f?en-us/library/5a2be738-df29-43cd-b361-84b7822164e31033.mspx Deploy language packs http://technet2.microsoft.com/Office/f?en-us/library/26c07867-0150-463d-b21a-a6d42aecf05a1033.mspx Plan for multilingual sites http://technet2.microsoft.com/Office/f?en-us/library/22d5dc9c-66bd-40d7-8c60-2a2a066db2241033.mspx
White paper regarding Plan for building multilingual solutionshttp://technet2.microsoft.com/Office/f?en-us/library/87065c9d-d39d-479d-909b-02160ec6d7791033.mspx