Ok first off I don't claim to be a suspension expert. However..........I just got my '09 about a month ago and I'm just now learning more about the suspension setup on this bike, but the more I look the more I see a common trend of people confusing the n/mm rating with the kg/mm rating; people incorrectly equate for example a 4.6 n/mm spring with being .46 kg/mm, which it is definately not (the n/mm to kg/mm conversion is .102 I believe which would make that spring a .47 kg/mm). This is driving me crazy because it seems like an important piece of info to get right if you're trying to dial in with stiffer fork springs, especially with all the hoopla over this bike's forks. I see MXA claiming all over the place you need to go from .46's to .48's and I seriously think they may actually mean 4.8 n/mm which is more like a .49 kg/mm spring. See the same mistake here on TT too. Makes it tough to know who's advice to take.