hey ppl im thinking of overclocking my card x1950xtx its on air cool till i get a good water cooling kit, im kinda new at overclocking so i need a little help 
i got a VF1000 on the card and im using ATiTraytool, can anyone tell me whats the max i can go with it on air cooled and the settings plz any help would be brilliant

i got a VF1000 on the card and im using ATiTraytool, can anyone tell me whats the max i can go with it on air cooled and the settings plz any help would be brilliant