Regarding 2, I think using 'space' as leader will be the most easy one to get into. You don't lose any meaningful functionality and space is (ideally) operated with your thumb, which means you can bind any key…
Regarding 2, I think using 'space' as leader will be the most easy one to get into. You don't lose any meaningful functionality and space is (ideally) operated with your thumb, which means you can bind any key…