Whatzit provides a system for using error and status conditions much more rich than the canonical 'zero means success, anything else is situational' mechanism. You can tell the severity of a condition and where it originated by looking at its value.
The Anvil is setting out to produce one strong platform for all media. Fluid work with major audio, video, raster/vector images, 3D formats and scripting languages will allow us to start from anywhere and temper out the masterpeice we needed.