Found some old pictures of my setups from parents' home. You can click on them for slightly higher resolution images.

From ancient to... well, less ancient.

The Beige:
DFI K6XV3+/66, 256MB RAM
AMD K6-2+, 500MHz
Voodoo 3000 AGP
Yamaha Audician 32 Plus + DreamBlaster S1
80GB IBM Deskstar 120GXP (ATA IDE)
LG CD-ROM, LG CD-RW (ATAPI IDE)
Unbranded Mid-tower case
MAG 786PF 17" CRT
Generic speakers
IBM KB-8923 keyboard (PS/2)
Genius 3-button mouse (PS/2)
Windows 98 SE

The Silver:
ASUS P4C800-E Deluxe, 2GB RAM
Intel Pentium 4 HT 3GHz (Northwood)
GeForce 6600GT AGP + VIVO
Creative Audigy 2 ZS
500GB + 750GB Seagate 7200.11 SATA HDD
2xLG DVD-RW (IDE)
Thermaltake Lanmoto (Silver) Mid-tower case
DELL 2007FP, IPS 1600×1200
Creative Inspire T7700 7.1 analog speakers
Generic multimedia keyboard (PS/2)
Logitech MX310 5-button mouse (PS/2)
Windows XP SP3

The Black:
Thinkpad T42, 2373-F7G, 2GB RAM
Intel Pentium M 1.8GHz (Dothan)
Mobility Radeon 9600
160GB 2.5" IDE Drive
DVD Multi Burner (Ultrabay)
Thinkpad Mini-Dock
DELL 2007WFP, IPS 1680×1050
Logitech S120 Speakers
Generic multimedia keyboard (USB)
Logitech MX310 5-button mouse (USB)
Windows XP SP3

Additional reading (optional):
My Retro PC Systems