Below is an ENTIRE system, not just a few pieces. You can cut out anything you do not need, like if you already have a monitor, speakers, OS, (xp doesn't require a floppy) etc...
$57.99 = Asus Motherboard - A7N266VM (built in: nVidia GF2 graphics, Sound, Ethernet, USB, etc.)
$69.50 = Western Digital 80GB 7200RPM Hard Drive - WD800JB
$31.50 = Lite-On 52x32x52 CDRW - LTR-52327S
$13.50 = Logitech Keyboard & Mouse - 967290-0403
$44.00 = Corsair Value Select 256MB PC2100 DDR RAM - VS256MB266
$80.00 = Athlon XP 2500+ (barton) - AXDA2500BOX
$19.00 = Creative SBS250 2.0 Speakers - 51000000AA299
$9.50 = Panasonic 3.5" Floppy Drive - JU-256A-178P
$93.00 = Windows XP Home Edition w/SP1a - N09-00741
$29.00 = Mid-Tower Case w/350W PS - 602XU-SF
$98.00 = Philips 17" Monitor - 107T51
Total: $451.49 + ~$48 S/H
All available at:
www.newegg.com