No worries, friend. It is definitely a downloadable demo. They confirmed that earlier in the month.
In addition, Wells confirms "we will be creating a downloadable demo for the PSN", stating that it will be released prior to the game hitting retail shelves.
http://palgn.com.au/article.php?title=Uncharted+receives+1080+support%2C+and+PSN+demo+confirmed&id=9017&sid=b7bf0f540f562cdf07af643c1c4348b9
Threads of Interest:
The Movie Thread: http://www.vgchartz.com/forum/thread.php?id=6880
The Crow Eating Thread: http://www.vgchartz.com/forum/thread.php?start=0&id=3886
The Betting Thread: http://www.vgchartz.com/forum/thread.php?start=0&id=7104
Custom GIFs Thread: http://www.vgchartz.com/forum/thread.php?id=18963
The Greatest Game Ever Conceived On Any Platform
Tag: "I have tasted Obi-Wan's bitter tears"
