Что нового в ядре Висты:
http://www.microsoft.com/technet/technetmag/issues/2007/02/VistaKernel/
http://www.microsoft.com/technet/technetmag/issues/2007/03/VistaKernel/
http://www.microsoft.com/technet/technetmag/issues/2007/04/VistaKernel/default.aspx