Do-It-Yourself Mac Mini.

Monitor-$10.00 at a yard sale in Monrovia, CA.
Apple Mighty Mouse-$37.50 on craigslist ($75.00 for that and a power supply for my iBook)
Damaged—when the previous owner fell and landed on it—(damage limited to: dented top and bottom case, broken latch, line down screen) 12" 1.33ghz G4 powerbook w/ airport extreme and bluetooth-$0.00 (a throw-in with above purchase)
Extra 512 MB factory original Apple ram chip-$30.00 on craigslist
Mini-DVI to VGA adaptor to connect external screen-$21.60 from Melrose Mac
Genuine Apple power adapter from Patti's old powerbook. (repaced with a macbook pro through applecare)
$99.10 all told. Not bad.