if you've got a perfectly usable 3x9 setup?
I'm really enjoying my bike at present and really fancy spending some money on upgrades, the problem is that it's pretty much how I want it already. I've got an XT 3x9 drivetrain that's working perfectly and have been toying with the idea of going 2x10, but is there really much point? I appreciate that eventually the lack of quality 9 speed components will force my hand but currently I don't have cash to throw away so am wondering whether it might be better saved for something else later. Will 2x10 really offer me anything over 3x9?