Most of the default Mac text widget keybindings are Emacs keybindings. C-f/C-b, C-n/C-p, yadda yadda yadda will pretty much do what J Random Emacsuser expects in most Cocoa text widgets.

Update: Of course it just dawned on me you might be referring to cmd-O or cmd-S and what not, in which case yeah I agree with your sentiment.