More reviews are up:
1UP = A+
http://www.1up.com/do/reviewPage?cId=3167589&p=37
Gamesradar - 10/10
http://www.gamesradar.com/ps3/grand-theft-auto-iv/review/grand-theft-auto-iv/a-2008042774322495013/g-20060313153735796095
GameSpy - 5/5
http://ps3.gamespy.com/playstation-3/grand-theft-auto-iv/869750p1.html
Eurogamer - 10/10
http://www.eurogamer.net/article.php?article_id=134493
All perfect scores. Oh yeah!