First, JYR's NSD FAQ is darn good.
Second, I have linked to an NSD analyzer tool in this post:
http://www.ns-tech.com/blog/geldred.nsf/d6plinks/GELD-77E2B7
Finally, as we all recommend (and JYR did as well, in his reply), call Lotus Support if you can't get your answers either in this thread or in the Support pages (link is on the right).
Gregg