DIRUSE – Windows CMD Command
Display disk usage.
Syntax
DIRUSE [options] Folders...
Options
/M Display in Mb
/K Display in Kb
/B Display in bytes (default)
/, Use thousand separator when displaying sizes.
/Q:# Quota limit, mark folders that exceed the size (#) with a "!".
set %errorlevel% to ONE if any folders are found that
exceed the specified size
/* Report on one level of subfolders (top-level folders)
/D Display only folders that exceed specified sizes.
/S Include detail of every subfolder in the output
/O Don’t check subfolders for quota overflow.
/V Display progress report for every subfolder
/C Use Compressed size instead of apparent size.
/L Output overflows to logfile .\DIRUSE.LOG.
/A generate an alert if quota is exceeded
(requires the Alerter service)
Options for DIRUSE can be specified with either -option or /option
This utility does still work under Windows 7/2008 R2/2012, although (like all Resource Kit tools) it is unsupported.
Example
C:\> DIRUSE /M /q:1.5 /* e:\users

I envy your work, appreciate it for all the useful content.