New Best Practices Whitepaper published: "Best Practices for Migrating Non-Unicode Data Types to Unicode"

The database system in a company that is growing internationally must support multilingual characters in tables with Unicode data types. Existing databases that support only non-Unicode information must be migrated from non-Unicode data type to Unicode data type. This paper summarizes best practices for migrating database systems from non-Unicode to Unicode data type.

http://download.microsoft.com/download/d/9/4/d948f981-926e-40fa-a026-5bfcf076d9b9/SQL_bestpract_MigrationToUnicode.docx