Greetings! I'm on the market for an OBD scanner bluetooth adapter. In my quest to better under the tech behind OBD scanner, I figured there are 3 main types; namely - ELM327-based adapters , ELM327 clones and STN1110 based OBD scanners. It now come down to: Scantool - OBDLINK MX (STN1110) -$150 STN1170 ODB Bluetooth Adapter - $110 ODB-Pros Scantool Bluetooth (Genuine ELM327 ) - $160 I'd appreciate further inputs from you guys! Thanks!