Hi,
I know, it's a very old thread and an old plugin that does not work anymore.
Though I find myself struggling with slow orbit increment in SketchUp, and it feels even worse now, after I got used to Blender, which has fast and very responsive orbit - I'm not talking about performance, but how much 3D view rotates within a single move of your mouse.
What I'm saying is that it would be awesome to revive this plugin, and I would buy it even if it was paid.
Perhaps, the best and easiest solution would not be to expand orbit span beyond screen / viewport limits (although Blender can do that, and it's great), but to create a script that would just orbit quicker (greater 3D view rotation angle within a given mouse move, specified by your OS) and replace the native orbit tool. I don't know if it's possible, though.