when 1 then 'Other'

 when 2 then 'Unknown'

 when 3 then 'Desktop'

 when 4 then 'Low Profile Desktop'

 when 5 then 'Pizza Box'

 when 6 then 'Mini Tower'

 when 7 then 'Tower'

 when 8 then 'Portable'

 when 9 then 'Laptop'

 when 10 then 'Notebook'

 when 11 then 'Hand Held'

 when 12 then 'Docking Station'

 when 13 then 'All in One'

 when 14 then 'Sub Notebook'

 when 15 then 'Space-Saving'

 when 16 then 'Lunch Box'

 when 17 then 'Main System Chassis'

 when 18 then 'Expansion Chassis'

 when 19 then 'SubChassis'

 when 20 then 'Bus Expansion Chassis'

 when 21 then 'Peripheral Chassis'

 when 22 then 'Storage Chassis'

 when 23 then 'Rack Mount Chassis'

 when 24 then 'Sealed-Case PC'

http://technet.microsoft.com/en-us/library/cc431373.aspx

To enable data to be collected for Asset Intelligence console usage and CAL reports, Client Access License (CAL) data collection must be enabled in the Configuration.mof hardware inventory settings file and computer security policy logon settings must be configured to enable auditing of success logon events.

You can use the following procedures to enable the security policy settings required for Asset Intelligence console usage and CAL reports. For more information about Configuration.mof modifications required to enable Asset Intelligence CAL reporting, see Prerequisites for Asset Intelligence.

To enable success logon event logging using a local security policy

To enable success logon event logging using an Active Directory domain security policy

Supported configurations for using WSUS to distribute Forefront Client Security Definition updates within SCCM 2007

http://support.microsoft.com/default.aspx/kb/958491

http://technet.microsoft.com/en-us/library/dd185652.aspx