In terms of localization, which languages does Silverlight provide?
In Beta 1, the installation and control runtime are available in English. Developers may provide an in-page “Get Microsoft Silverlight” experience for their customers in English, French, German, Spanish, Italian, Chinese Simplified, Chinese Traditional, Korean, Japanese, Russian and Brazilian Portuguese. Support for additional languages is planned for future releases. End-to-End application localization is supported and will be introduced in the Beta 2 release. There is full support of East Asian languages via TextBlock element. TextBlock supports and uses the East Asian fonts installed on the user’s machine. In addition TextBlock supports surrogate content as well as handling proper line breaking for East Asian text. For beta 1 text entry is provided via an IME..