This is embarrassing - to have to supply the definitive answer from the UK. The ULTIMATE cowboy guitar is the Epiphone Texan from the Gibson Epiphone era - the pickguard is littered with cacti, lariats, Stetsons and other cowboy paraphernalia. On the other hand, Gene Autrey and all those other movie cowboys played Martins, but they mainly made their names before the Texan was on the market. Another guitar that Gibson made with a "cowboy" image was the Southern Jumbo, usually referred to as the SJ model - not very elaborate and very good value for money if you find one. Me myself, give me the choice and I'd pick a Gibson Heritage as the ultimate guitar for a cowboy - the best-sounding late model Gibson, even if it doesn't have the look of a J200. Incidentally, the Everly Bros. models only look like a J200, and are smaller. In this line, the best value is to be found in the J100 (not many made, not common - usually cheap). A real find would be a 1930s Kalamazoo(Gibson's cheap label) flat top - looks like a sunburst J200 but cheaper - that's what Robert Johnson used, and he sounded OK even if he wasn't a cowboy.