Centrix shows most of the parts including pads, rotors, and calipers.
https://centricparts.centriccatalog....&uid=ANR&sid=0
It appears that cables are available on Ebay.
http://www.ebay.com/itm/190822088750?rmvSB=true
As far as swapping parts from another application, the answer would be to compare the original rotor hat depth with others and try to build a kit around those numbers. The S10 rear disc is different for certain:
Camaro:
https://centricparts.centriccatalog....7&i=1&uid=ANR&
Blazer 2WD:
https://centricparts.centriccatalog....7&i=1&uid=ANR&
If you want to swap rear axles the best choice may be a ZR2 optioned S10 axle. It has an 8.5" differential and is wider than the 2wd version.