On my Challenger I have 11x2.5" rear drums, no bias adjustment. On my Duster I have the stock 10x2.5" drums, again no bias adjustment. I think the Challenger is a touch better balanced F/R with the brakes than the Duster is at the moment, but there's no reason you HAVE to do anything other than the stock bias with the 10x2.5's. Most of the mopars of the era were biased too much toward the back anyway, so the larger brakes up front actually helps to correct that.
Now, if you've got 9" drums out back, or the 10x1.75's, you may want to put in an adjuster. Still, you'll be better off with a little bit of front bias than you were with a rear bias like most cars were from the factory.
As far as the rotors, I don't have anything for the "cop" rotors, and I would guess that even if they are out there they'd be hard to source. Summit does sell drilled and vented 11 3/4" rotors for a pretty nice price though.