On a Gibson, I like an .015 cap for my neck pickups along with a regular .022 cap for the bridge, and 500k pots all the way around
Using the .015 cap for the neck is a subtle difference, but enough to make a difference to my ears - it gives me a clearer and brighter tone - it's one of the easiest mods you can do
Try setting your neck pickup lower too -
Sometimes you might need to lower both the neck and the bridge to keep a balanced volume, but lowering the pickup will usually result in a clearer and more articulated tone - your bridge pickup will always be bright enough even if it's over-wound
I like my humbuckers with a lower vintage-type wind - too many winds and you lose that sparkle and chime that lower-wind humbuckers have
I've got several Gibsons and this is how I like to set them up to make the most of the neck pickup position which I really love
My old R9 is setup this way and I absolutely love the way its neck pickup sounds
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