The Steam Beta has delivered several Valve games and popular Half-Life MODs to over 300,000 gamers, and will come to a close Tuesday evening (Pacific Daylight Time). The first full version of Steam, Valve"s broadband platform for the delivery and management of digital content, will launch at 11 am PDT on Wednesday. Set up installers for the full version, which will be free of charge to existing Half-Life and Counter-Strike players, will be available from www.steampowered.com and leading game sites.