First, I love bar ends and they are traditional on cyclecross.
Second the Surly CC is a bit heavy if you get the prebuilt because they built it HD! Mine weighs 25 pounds. Of course if I had built it with roadie components instead of mtb stuff it would weigh about 23 pounds and with light wheels closer to 22. Does this matter--NO.
The Surly CC loves fenders and racks and loves to eat dirt, pavement or whatever. In road trim with roadie wheels and tires (25c) you could get this bike down below 22 pounds or less IMO.
BTW, the WTB saddles is pretty good. I have noticed many recommend the WTB and the one that comes on the CC seems to have a loyal following. Frankly, I prefer the Specialized Avatar BG.