I have actually obtained the following all in excellent disorder. More pics and specifics available.
$50 Sram X0/XO front derailleur 2 rate.
$FIFTY Saint 2 speed front derailleur with shifter.
$10 Shimano hollowtech bottom brace 68/73mm.
$5 Filzer speedometer (no electrical wiring, the circuitry set is $5 from MEC).
$20 Race Face arm pads size M.