Thanks for the heads up DB! I am now an expert :p. I have also read up on whether North up / North down matters and how to create hum cancelling pairs of winds.
For anyone who is interested (sorry this may be well known to you gurus) here is a link from seymour duncan explaining the wind and polarity modes of pickups and how they map to in phase / out of phase. The polarity at least was news to me.
http://www.seymourduncan.com/blog/th...e-made-simple/
cheers,
Gav.