Large Smart LCD controller.
You will need a small capacity SD card, or MicroSD with an adapter.
Quick 3D printed case, http://www.thingiverse.com/thing:1562144
If you didn't buy your ramps from me, flash my (Full-G) firmware,
or add the following changes to marlin,
This LCD requires this file, http://code.google.com/p/u8glib/wiki/u8glib, to be added to your Arduino library. This line also needs to be changed in the firmware configuration.h.