This dialog box allows you to configure what the edit mode cursor looks like. Changing the edit cursor can be useful on certain screens so that the cursor stands out more against the text and color scheme you choose.
"I have been developing using CRiSP for almost a year now, and have found it quite a time-saver and productivity tool. Granted it's more expensive than vi, or GNU emacs, but it also makes them look like the sick Stegosaurus (or was it a Bronto-saurus?) in Jurassic Park."