But I came across another one, it's free, you don't need to install it... it runs directly from the exe so you can carry it about on your usb pen drive too.
It "displays detailed specs for motherboard, BIOS, CPU, devices, memory, video, disk drives, ports, printers, operating system, installed programs, processes, services, serial numbers (CD keys), users, open files, system uptime, network, network shares, as well as real-time monitors for CPU, memory, page file usage and network traffic. It also displays currently active network connections, passwords hidden behind asterisks, installed codecs.... I think that little lot will keep you going for now.
System Information for Windows by Gabriel Topala