Retune my entire carb after installing new heads?

Here's Mark Campbell from Holley the guy who helped develop the Dominator Carb explain why the idle/transfer circuit is the MOST important circuit of all to get right:

DragBoss Garage: The Man That Knew Too Much, Developing The Holley Dominator With Mark Campbell...

He goes on to say they picked up "13" 100's on a prostock car by fixing the idle/intermediate circuit......