My Current Rig
CPU: Intel Pentium 4 3.0 GHz
GPU: WinFast HD AGP
HDDs (soon to be upgraded to 60GB): Quantum Fireball 20GB, Maxtor 20GB
HDD upgrade: Western Digital Caviar 40GB, Quantum Fireball 20GB
Optical drive(s): DIGITALMAX DVD-RW, Standard CD-RW drive
RAM: 1.62 GB Assorted Memory
Other hardware: Modem, 10-pin internal rear USB ports, secondary ethernet controller, 4-port USB hub. Total of 15 USB ports (14 external, 1 internal)
Next Rig:
CPU: Intel Pentium 4 Extreme Edition 3.2 GHz
GPU: Onboard, No AGP or PCIe slot
HDDs: Western Digital Caviar 40GB, Maxtor 20GB
Optical drive: BenQ LightScribe DVD-RW
RAM: 1 or 2 GB Memory
Other hardware: Internal USB (6 ports; total of 10) and serial hubs. (2 ports, total of 3)
Hardware is limited here. My current rig is built almost COMPLETELY from used parts (The heatsink was new from my other rig).
EDIT: My computers are entertainment centers, not for hardcore overclocking/gaming.