I recommend the Scythe Kaze Master: (heres a review, the products on Newegg- see Tracer76's link)
http://www.bit-tech.net/hardware/2008/06/08/scythe-kaze-master/1
Stay away from the Zalman MFC2- it looks pretty but the display is useless:
http://www.bit-tech.net/hardware/2007/11/25/zalman_multi_fan_controller/1

Sony PCV-RX755 (old but still runs great!)
MOBO: ASUS OEM board
CPU: 2 GHz Socket 478 Pentium 4 Northwood
RAM: 2 GB Kingston ValueRAM
GFX: EVGA Geforce 6200 AGP
HDD: Samsung Spinpoint 100 GB ATA-100