i have two second hand boost controllers for sale .they are in as new cond and both where only fitted for about 6 months .
they are one of my last model so are a little bulkier than latest ones but work just as well
The owners paid $400 for them a new one is currently $315
the owners both want $220 incl postage
or $200 pickup Newcastle
you can find info about them here http://home.kooee.com.au/celicamad.
but he pics are of new model which is a little more compact the old model works exaclty the same