Perhaps I have spent so much time on Mac that pressing the Ctrl key for things feels unnatural vs. the Command key
Argh. OS X is the last significant platform that gets this right by not trying to use Control for menu shortcuts out of the box. When I'm in a terminal, or editor, or browser text box, it's perfectly common and reasonable to want to distinguish Control-V (literal) from Command-V (paste), Control-Z (suspend) from Command-Z (undo), and so on.
Pre-Linux X Window software typically managed this, using Meta or some other keysym for GUI operations, but current ‘desktops’ seem dead set on imitating MS Windows. Damn kids get off my screen.