Cowboy is a Carlotta release, a pretty reputable company so no surprise it's a quality release. I'm hoping for a Criterion release of this someday (they seem to like Delmer Daves' films, i.e. Jubal and 3:10 to Yuma), as many Carlotta releases in Europe end up being done by Criterion in the US...
I tend to stay away from imports from France.
I imported Cow-Boy from France, My first import from them. It is a wonderful western with very good pq and aq, imo. Worth a shot for a western junkie.