Once you have Azure PowerShell installed (link to Azure Powershell install) you can take advantage of a lengthy list of commands to gather information regarding your subscriptions. Our Azure PowerShell script page will be updated as often as possible.
Locating all of your subscriptions and subscription information in Azure via PowerShell
Creating or modifying a storage account in your Windows Azure subscription via PowerShell
List details about Azure Virtual Machines such as Instance Size, IP Address, PowerState etc