I showed my dog in UKC quite a few years ago...don't know if it's any different now, but at that time there weren't many GSDs in UKC conformation. One major difference is, professional handlers are only allowed to show dogs they own or co-own. I don't remember much about the points, but do remember getting a U-Ch on Logan (American show x German show lines) in one weekend.
--Regina and the GSDs:
UCDX von Sontausen Holy Grail (The BUNNY!) HGH, UD,RA,BN,GN, ASCA UD RAX High in Trial
PAM Monster Mike SchH2,UDX,OM1,TD,RE,VER
PAM FGDCh Ianna von Sontausen UDX,BH,TD,RE,PT (4.26.1998 - 2.11.2013)