A year ago or so I got my sunburst Fender Coronado XII

I'm very pleased with this guitar: very convenient, light-weight with nice chiming unplugged sound. But there's a huge problems with it: it's pickups. They are weak (especially bridge), anemic and lifeless. Also they hum a lot (much more that any other single coils), and have terrible feedback.
Has anyone had such an experince with Coronados? I would like to find the solution of this problem, and I'm thinking over the following variants:
a) Rewinding pickups in accordance with my specs;
b) Replacing the pickups with P-90s or humbuckers?
What would you suggest?
Thanks.