Too bad the 2005 XTR is prohibitively expensive... Even going with the X.0 is infinitely cheaper than the entire 05 XTR system. I didn't see much of a difference between the x-9 and the X.0, so I figured I'd save some cash and get the X-9 set. That's an interesting point about the cable routing on the SRAM stuff. I didn't really notice the lack of the huge loop in the back on the SRAM derailleur.