This is a GTA5 News update.
There are no new official GTA5 videos by RockStartGames up to Dec 31st 2011.
All other YouTube videos are fakes unless released by RockStarGames. That single bit of info should save you a lot of time in the future!
There is no-need to keep searching for GTA5 news. RockStarGames will tell you first on their own channel if there are any new news items about GTAv.
Only one official GTA5 video is out currently as of Dec 31st 2011. Happy New Year!
The RockStarGames Channel is
http://www.youtube.com/user/RockstarGames
The current official video for GTA5 is at
http://youtu.be/QkkoHAzjnUs