You might have different operating Systems installed on the computers.One fine day your boss might request you to get list of computer with Operating system and language installed on the computers.Here is the Report to list all the computers with this information.
select distinct a.name0,c.Caption0 as 'Operating System',c.CSDVersion0 as Version,b.SystemDefaultLCID as Language from v_R_System a,
v_GS_WORKSTATION_STATUS b,v_GS_OPERATING_SYSTEM c
where a.ResourceID=b.ResourceID and a.ResourceID=c.ResourceID
group by a.name0,b.SystemDefaultLCID,c.Caption0,c.CSDVersion0
Here is the link to refer for Locale IDs, Input Locales, and Language Collections for Windows XP and Windows Server 2003 http://msdn.microsoft.com/en-us/goglobal/bb895996.aspx