Thanks for the feedback!! I ended up going with the Seymour Duncan SH1 for the neck and mid and the SH8 for the bridge humbucker.

I like it, but I did lose some of the signature Strat tone. I've ordered the Fender Tex-Mex set to run in the neck/mid, but I'm sticking with the SH8 humbucker (I can't recommend it strongly enough!).

Thanks again for the responses!