How do I change the trash keyboard shortcut?

Unfortunately it looks like this currently is hard-coded in Unity (in src/TrashLauncherIcon.cpp).

This is a lame default IMO.

For those of us who can't give up their Super+Foo keyboard shortcuts, here's how you can disable the unity dash key binding to the Super/Win key, and continue to use your Super+Foo keyboard shortcuts.

How to change the binding of Windows key which runs Unity's Dash?

TIP: Bind Super+Space to the Unity Dash (replaces gnome-do)