According to Konami, these bonues include a variety of new environments and new face paint camouflage options. There is a "Demo Theatre" for playing in-game sequences, and an additional difficultly level, called "European Extreme". Personally, I'm most jealous about the "Duel Mode", which will let players battle game bosses independent of the game. Honestly, I could make an entire game of the battle with the sniping legend, The End.
The game will also feature the "Snake vs. Monkey" mode which was available in North American and Japanese releases, which involves Solid Snake hunting down monkeys from the Ape Escape series.