You can now pre-register for Rockstar Social Club. Social Club is a new website from Rockstar featuring all kinds of GTA IV leaderboards and stat tracking, which also provides various awards. Some of the initial features were announced in a press release last month, but R* said that additional features will be added following the release of Grand Theft Auto IV, including competitions and challenges.

The website states that early adopters who pre-register before April 29th will be rewarded by being automatically entered to win a special once-in-a-lifetime prize for true GTA fans: your portrait custom drawn by Rockstar Games in the signature style of Grand Theft Auto IV's illustrations. More details here.

Link: Rockstar Social Club - Pre-register today.

INITIAL FEATURES OF ROCKSTAR SOCIAL CLUB

• LCPD Police Blotter - A virtual map and tracker of single-player criminal activity logged in Liberty City from the aggregated data of millions of connected players - showing the most dangerous areas of town, most commonly used weapons and more.
  
• The Story Gang - This special single-player leaderboard recognizes players who complete Niko Bellic's main story arc of Grand Theft Auto IV - The leaderboard ranks players according to the total amount of playing time it's taken to complete the story, as well as a historical rank by who has completed it first. Members of this club will receive special online widgets and merit badges marking all of their in-game accomplishments.
  
• The 100% Club - Watch to see who will be the first to complete 100% of the game. The first ten people to be identified on the Social Club as reaching 100% will be sent an ultra-rare commemorative 'key to the city' to mark their accomplishment. In the future, the 100% Club will then carry a historical leaderboard showing rankings of who has completed 100% of a game in the shortest span of playing hours.
  
• The Hall of Fame - This area will dynamically recognize those singularly elite players who have reached the top of the hill on various statistical leaderboards, and will also contain a personal awards display of special in-game landmarks and successes in Social Club competitions.
  
• The Liberty City Marathon - A ranking of special physical milestones achieved in the game - from the amount of miles walked, driven, or swam - to the number of bullets fired and stunt-jumps jumped. There will be additional special marathon-based competitions in the future from this area as well.