high def. i always use the newest realease. go check em out, i think youll be happy. ive used each as they come out and have been please with the results. you can try all and see wich you like best. but ive gotten a steady incease in performance and quallity. they do a great job modding the drivers and ill use nothing else. i had always used nvidias releases. but once i found them ill use them over nvidias stock releases every time. if you have questions join ther forum and there youll find what you need.