Interfacing to the OBDII Car Can Bus

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Ebay is selling ODBII interfaces to get information out of your car PC really cheaply now (about $18 USD)

Ref: http://www.ebay.com.au/itm/BLUETOOTH-ODBII-OBD2-SCAN-CODE-CAN-tool-Reader-OBD-2-II-/220943553152?pt=Motors_Automotive_Tools&hash=item3371431280#ht_6510wt_1140

Has anyone interfaced a FEZ Cobra via USB/BT to one of these?