Putting aero bars on a road bike? – Trainask 106 - Triathlon Trainiask Podcast

Today on the Trainiask podcast, Brandon from Boston has been in triathlon for two years and he's thinking of putting aero bars on his road bike.  But he wonders if he needs to get a new seat to accommodate leaning so far forward, does he need to realign his bike, or does he need to get used to it?