Long story short, I had problems renewing the domain name for my web site, so I registered www.imnahastamps.NET instead. I haven't made updates in a while, but it gets a decent amount of traffic, so I figured it was worthwhile keeping it up and running.
Some things to check out if you aren't familiar with it:
1. Definitive KBC number list
2. Examples of military insignia on covers
3. Unit-specific military cover articles (VNN, VNAF, Airborne)
4. ARVN military IDs and certificates
5. Comprehensive Viet-Minh overprints sub-site
Enjoy! (don't forget to update your bookmark)