Heh, I didn't know I *had* a Heinlein ping list!! I don't ever even recall seeing a Heinlein thread before today! But, I will keep your name in mind should I ever see another Heinlein thread. :-)
Here's a real old Heinlein thread:
http://www.freerepublic.com/focus/news/798543/posts
Regards,
Actually, it was seeing a 4 year old Heinlein thread turn up during my Googling that gave me this idea...