Хочу прорекламировать новый блог.

http://blogs.msdn.com/nav_developer

Для затравки привожу уже имеющиеся заголовки post-ов:

-Dynamics NAV 5.0 and style sheet issues, tab captions with local characters
-Dynamics NAV 5.0 and Style Sheet issues
-Importing and exporting NAV objects with C/Front
-Beginners guide: How connect to NAV from a .net project, using C/Front
-Sample of how to read a simple XML document using MSXML DOM in NAV
-Sample of how to write a simple XML document using MSXML DOM in NAV