BOR 666XC - 2X - Smart Spindle System. It claims to be designed with input from Tune and is made in Germany.

MSRP is 410 Euro (not including VAT)... a little bit more expensive than Extralite. Quite a bit more than your XTR 2x10 crankset.
Thoughts? Claim is 165mm Q factor, 49mm chainline.
http://bor-germany.de/en/product/37-bor ... dle-system