i am plannin on gettin a rad 9800 pro...but i want to kno which one will cool the best...

well in the first place...i wanna kno if the pwr color with a zalman heatpipe will cool better than it havin a stock cooler on it..

and if it does...which card has the better coolin...a hercules radeon 9800 pro or a pwrcolor w/ a zalman heatpipe? Thanks.