Uninvited response but I always wondered why Surly LHT owners didn't instead pick up Craigslist Cannondale ST bikes.
Lighter frames
Incomparably stronger frames and can carry higher touring loads
Stiffer frames, track more predictably under load, less wattage lost due to frame flex
C'dale sport touring bike could be actually be raced in a pinch and performs embarrassingly well in a sprint
Climbs like a mountain goat