Here:
Part Brand Cost Site
CPU: AMD Athlon 64 3800+ (939 Pin) $390.50 http://www.centrecom.com.au/catalog/product_info.php?cPath=27_29&products_id=9835
Case: Coolermaster Centurion 5 CAC-T05 Black/Silver (350W True PSU) $126.00 http://www.cworld.com.au/
Motherboard: MSI K8N Neo2-Platinum (Socket 939) $272.00 http://www.cworld.com.au/
RAM: GeiL High Performance 1G Kit DDR400 for Dual Channel 2x512M DDR400 KIT HeatSpreader $245.00 http://www.cworld.com.au/
HDD: Seagate Barracuda 160Gb 7200 rpm Hard Disk $119.90 http://www.centrecom.com.au/catalog/product_info.php?cPath=22&products_id=1288
KB/M: Logitech Cordless MX Duo Keyboard and Mouse $135.30 http://www.centrecom.com.au/catalog/default.php?cPath=58
Monitor: LG 19" Flat T910B CRT Monitor $341.00 http://www.centrecom.com.au/catalog/product_info.php?cPath=25&products_id=3515
DVD Burner: Sony DRU-710A Dual Layer DVD Burner $145.20 http://www.centrecom.com.au/catalog/product_info.php?cPath=49&products_id=11475
Speakers: Logitech X-530 5.1 Speakers (70 Watts) $110.00 http://www.centrecom.com.au/catalog/default.php?cPath=61
Graphics: Albatron 6600GT 128M AGP Video Card $369.00 http://www.computeralliance.com.au/parts.aspx?qryPart=4474
Total: $2253.90
Part Brand Cost Site
CPU: AMD Athlon 64 3800+ (939 Pin) $390.50 http://www.centrecom.com.au/catalog/product_info.php?cPath=27_29&products_id=9835
Case: Coolermaster Centurion 5 CAC-T05 Black/Silver (350W True PSU) $126.00 http://www.cworld.com.au/
Motherboard: MSI K8N Neo2-Platinum (Socket 939) $272.00 http://www.cworld.com.au/
RAM: GeiL High Performance 1G Kit DDR400 for Dual Channel 2x512M DDR400 KIT HeatSpreader $245.00 http://www.cworld.com.au/
HDD: Seagate Barracuda 160Gb 7200 rpm Hard Disk $119.90 http://www.centrecom.com.au/catalog/product_info.php?cPath=22&products_id=1288
KB/M: Logitech Cordless MX Duo Keyboard and Mouse $135.30 http://www.centrecom.com.au/catalog/default.php?cPath=58
Monitor: LG 19" Flat T910B CRT Monitor $341.00 http://www.centrecom.com.au/catalog/product_info.php?cPath=25&products_id=3515
DVD Burner: Sony DRU-710A Dual Layer DVD Burner $145.20 http://www.centrecom.com.au/catalog/product_info.php?cPath=49&products_id=11475
Speakers: Logitech X-530 5.1 Speakers (70 Watts) $110.00 http://www.centrecom.com.au/catalog/default.php?cPath=61
Graphics: Albatron 6600GT 128M AGP Video Card $369.00 http://www.computeralliance.com.au/parts.aspx?qryPart=4474
Total: $2253.90