Regarding the validity of miners, I find miners to be a MUCH faster way of extracting all the goodies from the ground than quarries and carts. I use an OV Scanner, so I get a 9x9 area down to bedrock siphoned of ALL valuable blocks in not very much time at all. Just plonk a Lapotron crystal in the slot, stick a chest next to the miner, and put down a world anchor and come back in 15 minutes to find a chest of treasures. Doesn't produce mountains and mountains of excess cobblestone, and doesn't make huge holes in the landscape.
The miner is underrated I think. Maybe you guys haven't really tried it.
Also, I'll check out that fix and see if it works! Thanks.
[edit]
Ok the latest version does fix the miner problem, but anyone upgrading needs to also upgrade Nuclear Control because the old NC doesn't play nice with the new IC2. Not a problem, just make sure both are updated.