I was shopping on amazon for a car dock for my Epic 4g, awesome phone
. I came across a cheap looking ODB2 bluetooth http://www.amazon.com/BLUETOOTH-DIAGNOSTIC-SCANNER-VAG-COM-SCANTOOL/dp/B003MQ89X4/ref=sr_1_3?ie=UTF8&s=automotive&qid=1294070281&sr=8-3. Anyway I found an app on the android market call Torque that gives you real time engine info but they suggest the ScanTool or PLX Kiwi dongle. Before I go spending $100 on this has any one tried any of these devices?