Ideas for Maya Scripts

For a project, we are making scripts in Maya...

I have yet to do any research, but these are things I wish one button could do.

1. Mirror and then separate them objects
2. Conform faces, delete history, freeze transforms, move pivot to the bottom, and center pivot, place pivot to the 0,0,0 coordinate...
3. A code that deletes history after every five clicks...
4. A script that duplicates and object, and then puts it in a new layer, and hides it...
5. selected every other edge on an object...
6. A button on the keyboard that goes through the move, rotate, and scale tool like the space bar does in UDK...
7. A button that selects and divides N-gons
8. A script that hides everything but the selected object in all view ports...
9. Modeling tool kit
10. Rig pre-export check