He did not win the BIS. Only Manhattan has ever won the BIS at Westminster from the Herding Group (and the only GS, period). Now HE was a nice-built dog, esp. for a Covy-Tucker Hill. Altho at a show at the time I heard rumors that he had hip problems - and hence, didn't show up altho listed for the show.
Dallas is very nice overall too, but ears are too weak and a tad too extreme. His daughter (in recent Groups inc. this 1) is worse, tho.