Windows PowerShell Command Line Shell
It was posted on the Windows PowerShell team blog that Windows PowerShell 1.0 has been released. Looks like a good replacemant, some really useful looking scripts are already available.
Microsoft Windows PowerShell command line shell and scripting language helps IT Professionals achieve greater productivity. Using a new admin-focused scripting language, more than 130 standard command line tools, and consistent syntax and utilities, Windows PowerShell allows IT Professionals to more easily control system administration and accelerate automation. Windows PowerShell is easy to adopt, learn, and use, because it works with your existing IT infrastructure and existing script investments, and because it runs on Windows XP, Windows Vista, Windows Server 2003 and Windows Server Longhorn. Exchange Server 2007, System Center Operations Manager 2007, System Center Data Protection Manager V2, and System Center Virtual Machine Manager leverage Windows PowerShell to improve efficiency and productivity. Source: Windows PowerShell Download Page
The download page is full of links to valuable stuff, like the Technet script center, with over 250 scripts, including over 100 to help manage Exchange, links to the SDK, newsgroups, getting started guide, quick reference, articles and books, webcasts and more.