When a user gets banned, the 'greyness' also takes out the ability to get the specific link for that post.
Here's the post above the banned user post, I was trying to save:
http://originaltrilogy.com/forum/topic.cfm/The-Zion-DVD-Project/post/90436/#TopicPost90436
Maybe this was done on purpose so people, would link to the posts which got people banned.