Like I said, is it do-able - yes, but lots of hoops to run through. How many custom LUT's are you going to have. I could just carry a bunch of coral and CTB filters around and shoot through them if I wanted. Not too hard as I'm set up for 77mm on everything , but a PITA and that still leaves correcting for green.
This was like people telling each other to throw blue filters in matteboxes to correct for Tungsten on the RED.. yeah, no thanks. I'd rather just have noise and not have to worry about everything lookin' dead.
I also agree about White Balance. The quicker and more accurate, the better. Being able to salt and pepper 4x4 Kino's without gel's or even shoot under nasty overheads (in a pinch), taking that to RCX and fine tuning color works out extremely well. And, on monitors, it doesn't look all that bad.