We're still crossing our fingers for voice chat.
http://www.nintendoworldreport.com/news/34444
During a recent Capcom event, a few more details concerning the upcoming Monster Hunter 4 were revealed:
Online - Similar to Monster Hunter 3 Ultimate, users can create rooms that have specific goals, such as targeting a specific monster or type of quest.
Touch Screen - The bottom screen will show villages that the player is able to visit.
Weapons - The Charge Axe was shown more, which features the ability to charge up attacks in sword mode that can be unleashed in axe mode.
Monster Hunter 4 is still slated for a September 14 release in Japan, with no Western date announced. Check out the most recent trailer below.