I used an Arduino Uno (Rev 3) with a DFR LCD Keypad shield (v1.0) since it is easy to use. You can use any Arduino compatible LCD panel/shield here but will need to tweak the default Arduino Sketch ...

The shield can be configured to send GPS and sensor data from devices attached to an I2C bus to remote servers, or a really cool COSM server. [Phang] is selling his TraLog for $150, a fairly good ...