Apple recently released sample Cocoa code for a view called Speedometer View. I thought I would turn this into a FaceSpan plugin. The process took about an hour.
Here’s Speedometer View as it appears in Apple’s test application:

Here’s the same test application recreated in FaceSpan using the plugin:

Speedometer Plugin and Example Project
The source code for this plugin is included in the FaceSpan 5.0d40 SDK.