Asset Tracker for Networks

http://download.cnet.com/Asset-Tracker-for-Networks/3000-2085_4-10065888.html

Automatically collect software and hardware configuration of your networked PC's and LAN equipment with Asset Tracker for Networks:

Inventories ALL Computer Components

Asset Tracker for Networks will collect the following information about the user workstations in your network:

Computer serial number and manufacturer information
Operating system information
Processor, memory and hard disk drives information
Installed software
WinSock information: TCP/IP addresses, host names, etc
Installed printers
Video subsystem
Installed devices
Network adapters, network shares
Local user accounts
Logged on user, operating environment
BIOS information
Motherboard information

http://www.alchemy-lab.com/products/atn/