In my 2-channel setup I *think* I want to run the preamp to the sub and the sub to the amp. But doesn't that means like 10 foot interconnect each way. Should I worry about that? Also, what brand/type of cables should I get? I am of the school that says good cable is better than Radio Shack cable, but the returns dimish quickly after that. I don't want to spend more than $200.00 for the 4 cables....