Here is some evidence to support this theory:
http://www.gamespot.com/events/tgs-2011/story.html?sid=6333814&tag=updates;editor;all;title;6&pid=642342
"[8:49] He says the 3D aspect will bring a lot of people back to Monster Hunter."
That 'he' is Sugimoto-san, the developer for MH. He is talking about MH3G but still
My 3ds friendcode: 5413-0232-9676 (G-cyber)