While they're at it, can we make paste and match style the default? I can never remember the four key chord to do this and as a result send emails that look like ransom notes because of mismatched formatting.
CMD-C CMD-T CMD-V CMD-A CMD-C CMD-W CMD-V
For frequently-used shortcuts that have hard-to-remember modifiers, I change them to the full set of shift-ctrl-opt-cmd so that just mashing my hand across the entire corner of the keyboard will get the job done. Has the nice side effect of (usually) avoiding the unexpected overwrite of other default app shortcuts.