I have uploaded OGN's SC2 videos which I just watched on TV.
They are now all available on YouTube.
Click the below links and enjoy!
Videos on YouTube
Cinematic Trailer - US Version (Source: Blizzard)
Cinematic Trailer - Korean Version (Source: Blizzard Korea)
Artwork Trailer (Source: Blizzard)
Videos on Google Video
Gameplay Video (Source: OGN / Not Splitted) NEW
Blizzard Worldwide Invitational - Official Announcement Scene of SC2 (Source: OGN) NEW
WWI SC Tourney Videos
WWI WC3 Tourney Videos