В сентябре вышла русская версия NAV 2009
Partnersource
Microsoft Dynamics NAV 2009 Service Pack 1 (SP1)
https://mbs.microsoft.com/partnersource/downloads/servicepack/microsoftdynamicsnav2009sp1.htm
Upgrade Toolkit for Microsoft Dynamics NAV RU 2009 SP1 - Russia
Customersource
https://mbs.microsoft.com/customersource/downloads/servicepacks/microsoftdynamicsnav2009sp1.htm