nice bike for $600. the sora definitely gets a bad rap around here but as you said, "components wear out" and you can always upgrade the shifters when that happens. I love that lava red, is that the color you got? enjoy.
__________________
2010 Kestrel RT900SL, 800k carbon, chorus/record, speedplay, zonda
2000 litespeed Unicoi Ti, XTR,XT, Campy crank, time atac, carbon forks