Entry from the 2013 Scripting Games Beginner Event 3, reviewed at blog.powershell.no

2013SGEvent3BeginnerSample.ps1

Get-CimInstance -ClassName Win32_LogicalDisk -ComputerName localhost -Filter 'DriveType = 3' -Property DeviceID,Size,FreeSpace |
 
    Select-Object -Property @{Name="Drive";Expression={$_.DeviceID}},
                            @{Name="Size(GB)";Expression={"{0:N2}" -f ($_.Size/1GB)}},
                            @{Name="FreeSpace(MB)";Expression={"{0:N2}" -f ($_.FreeSpace/1MB)}} |
 
    ConvertTo-Html -Property Drive,'Size(GB)','FreeSpace(MB)' `
                   -Head "<title>Disk Free Space Report</title><h2>Local Fixed Disk Report</h2>" `
                   -PostContent "<hr>",(Get-Date) |
 
    Out-File C:\temp\LocalDrivesOnServer.html