* Possible MGS4 + Metal Gear Online bundled together
* When some scenes are shown related to other parts in the series, you can hold down a button to view a flashback from the original game. (Example: When talking about Metal Gear Rex, you can watch a flashback that plays from the earlier MG game to provide background info.)
* ***Estimated 4 HOURS of cinematic cut scenes in the entire game!!!*** (More than MGS3)
* 16 players online
* Game types include Deathmatch, Team Deathmatch, King of the Hill, and Team Sneak
* Customizable characters can have up to three skills (like perks in COD4)
* Some examples are "Marathon" for sprinting and "Narc" for showing enemy positions
* Skills and weapons will level up the more you play
* ***Up to 100 different weapons to acquire and use!!!***
* SOP system allows you to know current position of teammates, current status of teammates, and even sharing perks
Trivia
* MGS4 has 200 people working on the project
* 30 of those are animators
* Octocamo will be able to use 300 surface textures throughout whole game
Also, I looked at the images on GameFAQs. I found some pictures of Snake firing a FGM-148 Javelin (for those who watch FutureWeapons), and even an M224 mortar with the line coming out of the barrel showing where the shell would land (the same as when you throw a grenade in the game).
FGM-148 Javelin:

M224 mortar:


