Check ponygirl's posts on these threads. She sounds like she's there, and knows what's what.
More armed men arriving at Oregon wildlife refuge
http://www.freerepublic.com/focus/f-news/3381761/posts
Experts: Oregon standoff may be small, but it’s just the tip of a growing militia iceberg
http://www.freerepublic.com/focus/f-news/3381188/posts
Things have changed, a lot, since Waco and Ruby Ridge. One being the advent of the Internet and social media. Also, conservatives are much more attuned to government overreach since those days. Should the Federal government, whatever agency, attempt another such confrontation the results would be beyond imaginable. Possibilities may not have been seen since the Civil War.