Ok, I've been doing a bit of detective work trying to find out if Rockstar have registered any domains for a new GTA game so I can start making a new site, but that's beside the point. I've discovered a way to see all domain names which are hosted on a web server, so I checked out Rockstar's GTA4 site and these are a list of the domain names they point there. I know some of these domains are used for the pre-game teaser websites, and maybe one or two are mentioned on the in-game internet, however I'm pretty sure there are some domains on here which haven't been used so far, leading me to believe they're either possible new websites for the DLC, or they're things which were left out of the game... If you go to any of these domains, you'll be forwarded to the official GTA4 website.
Please post any information you have about any of the domain names. If you can find them on the in-game internet, let us know and I'll keep this topic updated until we've covered them all and see which ones we need to pay special attention to.
I could be completely wrong about this, and they could all be used in GTA4, but I've not looked into the in-game internet too much, so I'd like you guys to help.
http://beanmachinecoffee.com - Official Website Teaser Section
http://burgershot.net - Official Website Teaser Section
http://goldberglignerandshyster.com - Official Website Teaser Section