Hermann Daeubler and Sunil Agarwal have co-authored this white paper. Hermann is a Program Manager with the SQL team and is a SAP expert. Hermann was involved with vardecimal storage format team from the very beginning to guide us with the customer scenarios and the performance implications/trade-offs. This paper provides a general overview of vardecimal storage format usage scenarios, restrictions, database migration to SQL Server 2005/SP2 in the context of vardecimal, space savings and the impact on the performance. You can access the paper at
http://msdn2.microsoft.com/en-us/library/bb508963.aspx.