Yes, as far as I know this will take away some of the "quack." That isn't really my thing, but if want the option still you could think about a super switch. You can wire it up so that the inbetween position have coil splits. I'm sure that there's a way to wire it up so that your bridge + middle position gives you the middle single and one coil of the bridge. Thereby giving you that same stratty tone .

How's it sound in there? I know that the JB can be a really shrill pickup in some applications (or so they say). Jackson goes as far as to pair it with 250k tone pots to tame the high end.