As one of Vuo's developers, I work on Vuo's engine (the thing that makes compositions run), work on nodes, and write documentation. You'll see me on the forums answering people's questions about Vuo.
I've been developing apps and frameworks for several years (since I was in college). Pre-Vuo projects include Kineme Quartz Composer plugins, iOS apps for education, an app that analyzes photographs of tomato slices, and software to help people with disabilities use talking keyboards.
I enjoy using Vuo to make live music visuals. My hope for Vuo is that it will grow into a community of people of diverse backgrounds and identities making lots of different artistic, useful, unique, goofy, beautiful, crafty, wonderful compositions.
Interesting idea. This would make a straighter cut than Trim 3D Object, since it would be at the pixel level instead of the triangle level.
Since clipping is per-camera, one possibility would be to render your object to clip with one Render Scene to Window and the chosen clipping distances, and the rest of the scene with another Render Scene to Window and the default clipping distances, and combine them with Blend Images.
One reason that you might see banding is if your monitor supports fewer colors. If that's the problem, adding some noise (as in the attached composition) should help.
To check if you really are getting an 8bpc image, you can open it in an image editing application and check the number of unique colors. For example, in Photoshop, go to Image > Mode > Indexed Color. The maximum unique colors you could see with 8bpc is 256. If you see slightly fewer than that (like 246), it's fine. If you see a lot fewer, there's a problem.