You can run the rear discs as an update/backdate for 2001+ cars with Advancetrac. They may even be the same as SVT brakes...
LCR > KMac plates IMO. Leo gives alot to the Focus community as well...
I agree that a slightly larger FSB will be a good thing. The Muellers ordered a 7/8 (22.25mm +/- .75) 3-way bar for their car.