Heck, I might just take off the stock racks and store them for later use and go with these. I think the stock racks stick too high off the car too. They look great with nothing on them, but when you start putting ski racks, bike racks and cargo boxes up there they seem to sit way up in the air stream. Right now I can't fit the VX in my garage with the cargo box on it (2" too tall), so this may be a great option.
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong, it usually turns out to be impossible to get at or repair."
-Douglas Adams, Mostly Harmless