Sounds very much like the trouble I had w/ mine ('98). I replaced them with parts from NAPA which were fine for a while, they went within 2 years, they don't have the little wiper grommet at either end and so water got in and corroded the wire.
Bob Utter Ford sells parts at a discount, online. I just replaced the cables again, they cost < $40 each.
Brake "shuddering"... can you be more specific on why you think it's the ABS system? My problem is similar, except that at road speed, I don't get the pulsing in the brake pedal, it only happens occasionally just before I stop rolling. You can't even tell at what speed, the speedo doesn't register that low a speed.