my 4100: Oh the Joy!
 

-http://www.itreviews.co.uk/hardware/h199c.htm

Start specs:

1Ghz P3
256M memory
60GB HD IDE
DVD-ROM
CD-RW 8x
Santa Cruz Soundcard
Geforce 2 Ultra 64M
10/100 3com NIC
56k modem

Specs changed:

512M memory
120GB HD IDE + others attached via RAID card
CD-RW 52x
10/100/1000 dlink NIC
TV tuner card
USB/Firewire PCI card
took out the modem

Just amazing.. and this is the computer that I still use. Still 1ghz, but with 512M of memory and swapped out a 60GB drive for a 120GB ;) and a Promise RAID card.. this PC has served me really well!

It had Windows ME, I installed Windows 2000, then Windows XP, even tried Vista.