Well looks like someone has been busy and has created an XNA game installer written in c++ using Wix. Looks like a nice solution that will create an msi file that checks for .net, dx and xna, silently installs them as needed, installs the game, adds the entry to add/remove programs, etc. If your looking for an installer, head over and check it out @ http://www.nuclex.org/news/2007/11/07/xna-game-installer-part-2 .