Money wise, the 6700 is fine. Avid juicy hyrdo brakes over Shimano's LX, I have the same Tora fork and think it is excellent, the SRAM x7 shifters/x9 rear derailer on the 6700 in my opinion is more efficient than the 8000's Shimano LX/XT combo. I also have the 6700's race crankset on my bike and it works great. The 8000 has slighty better wheels though, but I like the 6700.