you guys are all 100% correct, i am currently running a really high roll center on my RDX and have been having extremely good luck with it.
as for the weight jacking, it is completely and 100% possible if you run the high roll center with the same shock set ups, by running the high roll center, it allows you to soften the springs and the oil more than you would think, this is where you get your traction back.
i have read about the motorcycle theory in my XXX set up book, there is a nifty little diagram in the roll center section that shows it very nicely.
when you guys hit a dot on the track, what does you car do, kinda of get pushed away from the corner? when i hit a dot yesterday with mine, it leaned into the corner and didnt effect me much at all.