I finally took the plunge and switched to this simple, yet powerful new editor. The main reason for my change was the ubiquity of it. It is supported by every major browser, and on every major OS**, straight out of the box, with no modifications.
Cursor Navigation
Home Move cursor to beginning of line
End Move cursor to end of line
Up Move cursor up one line
Down Move cursor down one line
Left Move cursor one character left
Right Move cursor one character right
Deletion
Backspace Delete selection or character behind the cursor if no selection
Delete Delete selection or character ahead of cursor if no selection
Ctrl+Backspace Delete previous word (useful for correcting typos)
Ctrl+Delete Delete next word
Ctrl+Shift+Backspace Delete from cursor to the beginning of the line
Ctrl+Shift+Delete Delete remainder of line
Useful Combos
Ctrl+Left Jump previous word
Ctrl+Right Jump next word
Ctrl+Shift+Right Select next word
Ctrl+Shift+Left Select previous word
Home, Shift+End, Delete Delete line
Mouse Tricks
Double Click Select word
Triple Click Select line
Meta-Keys
Shift Selection mode
Control Word jump mode
Try this amazing new editor for yourself!
Psst… It’s the comments box…
** Once Steve Jobs sorts out the goddam Command, Control, Option key debacle