Update! Episode 1, Homestar Ruiner, will be available Worldwide on the PC and on WiiWare in the US on Monday, August 11. The release on WiiWare for Europe, Australia, and New Zealand will follow very soon thereafter.
The best news of all is that we have opened up preorders for SBCG4AP for the PC! You can find out more at http://www.telltalegames.com/store/sbcg4ap