Matt Dillon:
http://modocrmadt.blogspot.com/2005/03/autocad-2006-yes-2006-couple-of-my_05.html
"With the new "Dynamic" mode of input, you can literally do away with the command line!"
"With the new block editor you can take an existing block definition and supercharge it, or create new more flexible blocks. "

Scott Durkee:
http://scottdurkee.blogspot.com/2005/03/cad-mgmt-autocad-2006-coming-soon.html
"Hmm... What will CAD Managers want to know about most? Installation/Migration Improvements? Mtext and Table Improvements? Oh yeah, how about Dynamic Blocks - those are really cool. They definitely need to know about the new Custom User Interface (CUI) file. Decisions, decisions."

Ellen Finkelstein:
http://ellenfinkelstein.com/autoCAD.html
"Everything is dynamic in 2006. Do you have large block libraries? You're going to love the new dynamic blocks. The main idea is that you can create one block with many possibilities. So you can create one block to replace many, reducing your block library size significantly."
"You can now easily add numbered and bulleted lists, just like in your word processor. If you need to add an item in the middle of a numbered list, the remaining items renumber themselves automatically."