All you really need are the brackets. Check ebaid for the Great Lakes Offroad parts. Nice looking stuff if their posted pics are anything to judge by.
Rotors are the 3/4t fronts, I'm told the D44 and 10b are the same rotor. Do not know that for a fact. For more info search coloradoK5.com's bbs The topic has been discussed to death.
Forget using the Cad calipers for an E-brake. They suck and they'll make your rear brakes suck too. If the e-brake adjuster isn't perfect it won't adjust and then your service brakes suffer as well.