I've tuned my 6-string down three frets to suit my voice, and I'll have to do the same with my Washburn 12-string. I have problems with capos too. It seems to be the thickness of the strings that's the cause: the bottom string of each pair gets stretched more when you put the capo on. New capos don't seem to do this; maybe the padding is softer or soemthing - but who wants to buy a new capo every three or four weeks?

I wonder if anyone has the same problem with their 6th string that I do (6 or 12)? When I fret it it goes slightly sharp, so I either have to have it a bit flat open or a bit sharp fretted. I used to think it was just a feature of cheap guitars, but it's the same with good ones too. Maybe it's my fingering that's at fault? After 30-odd years, I should be doing it right!

Steve