Hola Motki, yo iteraria sus nodos preguntando por el nodo que me interesa:
Código:
<%
pathToXml = Server.MapPath(".") & "\xml.xml"
Set ObjXml = Server.CreateObject("Microsoft.XMLDOM")
ObjXml.Load(pathToXml)
for each nodo in ObjXml.documentElement.SelectNodes("vue/tra")
for each child in nodo.childNodes
if lcase(child.nodeName) = "nad" or lcase(child.nodeName) = "nao" then
Response.Write(child.text) & "<br />"
end if
next
next
Set xml = Nothing
%>
Saludos