Visit CodePlex to find the Power Toys Pack Installer, which you can use to simplify your Visual Studio power toy installation experience. In addition, you can install other Visual Studio add-ons and tools, such as MSBee, ILMerge, TFS Administration Tool, and XML Notepad 2006.
The Pack Installer is a tool that will let you see the latest Power Toys for Visual Studio, and other great developer oriented tools. It allows you to easily mark any tool or set of tools for download and installation, and streamline the installation process.
Source: Power Toys Pack Installer
For more information, see Josh Ledgard's blog (Creating a simple multi-install package for your customers).