Please find below a list of useful Far Cry 3 Links, Information and Discussion Topics.
Please check the Discussions below and post in them accordingly. Any duplicate Topics can and will be locked.

Far Cry 3 Official Site
Official Far Cry 3 Facebook Page
FC3 Twitter Page

Official Release Date: Week Ending 9Sep2012 - Exact date varies by region.
Game Engine: Dunia - Based on Crytek's CryEngine 1 Far Cry edition
Community Far Cry 3 Info/FAQ

E3 Stage demo of FC3 [in HD]
High resolution Concept Art now released!
As stated above, we are trying to reduce duplication.

If a stand alone thread is raised that could have been posted in one of these, the new thread is likely to be closed and the poster redirected to the correct place to have posted.

Far Cry 3 Suggestions
Community Multiplayer Discussion Thread
Community Map Editor Discussion aka Map Editor Veterans UNITE: Lets talk, Ubisoft...
Community Single Player Discussion Thread
Community Weapons Discussion Thread
Community Vehicles Discussion Thread
Community Discussion - Far Cry 3 DLC - The Way Forward