Dell Latitude CPX pIII 700mhz processor + 256mb RAM pre-wired for use with car
carnetix p1900 regulator v2.2 + PIC PG2 programming cable for customization - $100 shipped
(about 2 weeks of use)
For CF SD All in 1 Memory Card Reader with USB 2.0 Hub - $OLD
(total use probably under an hour)
Lilliput EBY-701 7" Inch Widescreen/Touchscreen Monitor - $OLD!
(total use of about a week or two)
USB GPS Receiver - $OLD!