Decided to slack on the job and take a stroll through Lowyat MH thread. Proceeds to get MIND BLOWN by announcement of sequel to the series! I'm going to guess it's a fifth-generation release and not an expansion on the fourth.

Hopefully they'll manage to balance weapons and keep the flashiness under control or the screen will be filled with massive explosions ala Michael Bay style.

Few more articles on speculating MHX:
Silicon Era
VG24/7 - MHX Breakdown

Now my only question is if my first-gen 3DS can even handle the game ... (want demo nao)