http://us.battle.net/sc2/en/blackstone/login the code needed to enter website is on reddit or in this video http://www.gamebreaker.tv/esports/starcraft-2/blizzards-project-blackstone-goes-live/
Well... it is just getting started. That email page has a lot of blank spaces to fill. Once it get closer to March, its likely going to be pretty interesting to read what the Starcraft expansion is going to be all about! And on the Titan thing. Titanfocus.info is where you want to go. Looks like the rumors are all over the map on this one. I don't think anyone has a clue, but the whole next gen xbox game theory seems most plausible to me. The secrecy surrounding Titan would match the near legendary NDA that early developer kits for the new xbox...
I'm surprised that they have a capital letter in the password seeing as how none of their games use capitals for passwords...fuckers.