Rockstar has released the newest and final GTA:IV trailer before launch on April 29th. Also, they have unveiled the new "Social Club" feature for stat tracking throughout the game.
The trailer is now out and can be found at the bottom of this story! Rockstar has also announced "Social Club" a stat tracking service for GTA that is similar to what Bungie Studios does for Halo 3.
IGN has the details:
" The list of features for the Social Club is as follows:
The Social Club won't be limited to the list above, according to Rockstar the feature can be expanded with special competitions, leaderboards and new challenges to test gamers months after GTA IV's release. It's interesting to note that the press release continually called it the "Rockstar Social Club" indicating that the same functionality could be applied to future Rockstar properties as well."
Here is the SD version of the trailer. Hit Gametrailers for the HD version.