I have this item for sale on eBay. I ws told it can be re-used if the computer matches this was off my 07 Mustang GT. Ford charges 150 core return. So if you are interested check it out.
Ford Racing Pro-Cal Tuner II - eBay (item 160626037323 end time Jul-31-11 18:17:58 PDT)
Ford Racing Pro-Cal Tuner II - eBay (item 160626037323 end time Jul-31-11 18:17:58 PDT)