brake selection

[surewhynot]

I am looking at 3 options for front brakes on my g body. It is a pro- tourer right now, but increasing track use. I have both 17 and 18 inch wheels that i can use. I am using belltech lowering spindles intended for a 2003 2wd blazer with sealed hub bearings.
first option regular non z06 c6 brakes
second option cts-v 4 piston fronts with cts-v rotors
third option i am curious about as i saw a write up on here concerning this method and it was met with controversy- cts-v calipers with c6 or c6 z51 rotors with spindle modification to bring the caliper in closer to the hub to fit the smaller rotors.

My main concern is lock up issues and weight vs benefit. Any opinions would be appreciated.