every bikes are good, but some are build for diferent purposes, but not bad bikes...
european bikes tend to be made to europe (until few years ago)...
the best is the newer because ktm is learnig so they correct some errors in past models or just some improvements like the 250 sxf from 2007 to 2008: newer model has 2 ignition maps with the switch in the new renthal handlebars, less noise from the exhaust to meet the new regulations in many countrys etc....
very popular bike in my country...