Actually, this is a little better,
get-navol | ? {$_.used -gt 80} | Select Name,Aggregate,@{Name="Used";E={Convertto-formattednumber $_.used percent}},@{Name="Available (GB)";E={convertto-formattednumber $_.available Datasize "0.00"}} | ft -autosize
You should always pipe in your where clause before you do any sorting.. Selecting...
