54c Surly Cross-Check, 2011; tuned/upgraded

I am putting up my beloved 2011 Surly 54cm Cross-Check (these Surlys run kinda big, I'm 5'11" fyi!). I realize it's a bit on the pricier end for it's age but it is in excellent, ready to ride condition, with some pretty extensive parts replaced from the stock set. The most noticeable ...