I've measured the DCR of the humbuckers that came with some of the kits, and they've all been too far on the high side for me. I've just tested one kit bridge humbucker and it read 11.3k As I generally play cleanly or with mild overdrive these days, I prefer my humbuckers in the more traditional PAF mould, so mid 8s for the bridge, mid 7s for the neck.

Obviously if you almost always play in the overdrive to distortion area, then the extra output can be a welcome addition, but I've never liked powerful pickups for playing clean guitar.