Salient features:

Fits a hardcase that doesn't incur airline up-charges

Ti construction protects against scratching and denting, resists TSA's best efforts

Negligible increase in overall weight with couplers - 1/2 pound, maybe

Use of Edge fork,tweaked brake bridge on rear, and appropriate geometry allows range of 23mm to 29mm tires using short-reach calipers

Is responsive on smooth roads, stable on gravel - a true all-rounder

Steel frame available