Played with a bassist once who had perfect pitch, anything the slightest bit out used to drive him mad. Now he needed Buzz Feiten, Earvana, what have you. Me, my ears ain't that good (though I can spot someone singing marginally flat or sharp at 100 yards), a guitar that's properly set up with the intonation set doesn't bother me at all so I'm happy to do without the finesse.
