sudo apt-get install gnome-device-manager
gui will be in applications menu
 
Commandline stuff:
Find computer device info location: PC=`hal-find-by-property --key info.product --string Computer`
Show all: lshal --long --show /org/freedesktop/Hal/devices/computer
 
Get some info: hal-get-property --udi /org/freedesktop/Hal/devices/computer --key smbios.system.serial
 
 
Open-audit has a script which automates this.