The SRT-10 truck guys have very few options when it comes to rotors, pads, and calipers. We have the largest diameter rotors ever put on a production vehicle: 381mm/15".
The OEM pads were awesome if you're racing every day, but for normal schmoe driving, they bite a little hard. Actually, REALLY hard. LOL They also put off extreme amounts of dust (as any good racing pad should).
When it comes to EBC stuff, all I've heard is "BEST EVAR!" or "I'LL NEVER GO NEAR THEM AGAIN!"; nothing in between.
I went with StopTech slotted rotors and Centric pads from Zeckhausen Racing. Dave *knows* brakes.
One phone call, 5 days of shipping, and I had 4 new rotors (slotted) and 4 sets of new pads.
All for just under $800. with shipping.
The Centric pads are easier on the neck than the OEM ones. The slotted rotors are very smooth and I've had almost zero brake squeal since installing.
Brake dust is down about 80% from OEM.
The truck isn't able to 'endo' like it was with the stock stuff, but for the type of driving I do (daily.....usually following someone terrified to be behind the wheel of an automobile with no clue as to where they're going or how to get there but don't care because they're obviously the only ones on the road....I digress....), this setup is perfect for me.
I'm sure you coupe folks have tons more options, but I wanted to post my experience.
In regards to the e-brake pads:
I believe your rear rotors are the same "hat in rotor" design as our trucks (miniature drum-style brake 'inside' the center section of the rotor).
The e-brake can be adjusted in a couple of different locations. Check the service manual, or the Tech section here.