A new download is available from the EXTRAS menu, it is a new piece of music called View of Deep Snow.
The description of the View of Deep Snow music is :
'A song that resonates throughout the snowy battlefield, almost a prayer to soothe the souls of soldiers. A Christmas song, dedicated to all the fans of Old Snake, from everyone at Kojima Productions.'
Another new download is available from the EXTRAS menu in the Japanese version of Metal Gear Solid 4, it is the next episode of the podcasts from the HideCHAN Radio
The Podcast is called :
'Guns of the HideCHAN Radio - Episode 7 '
(REMEMBER THIS ONE IS ONLY AVAILABLE IN THE JAPANESE VERSION OF MGS4).