There's been a lot of speculation that GTA IV might soon support cross-platform gaming between the PC and XboX 360, and although this has not yet been confirmed, the official GTA IV Website now carries Games for Windows LIVE logo, which might very well make this rumor true.

It appears that this launch date announcement has sparked much speculation as we’ve also been hearing about a possible Wii launch in the near future, but we wouldn’t bet on that.

More here.