The trailer will be released any minute and to bring us in the right mood Rockstar Games gave us this exclusice screenshot for GTAinside:

UPDATE: Finally the trailer has been released! You can watch the trailer online at rockstargames.com or download it to your computer. If the official site is too slow, you can also watch the trailer in our Video database or download it from our fast servers! In order that you do not miss any piece of information from the new trailer (especially the many pictures at the end are hard to observe), we took 69 screenshots from the trailer. So also watch these screenshots and tell us if you noticed anything interesting!