I'm playing a 480xBB pot with AA, 100NL deep

[MTBlue]

If he's three betting you frequently. You need to expand his hand range. This also means that your normal WA/WB situation when he also has an overpair is no longer true. How sick would you be if you let 98o crack your aces b/c you never raised? Against someone this aggressive the appropriate action is to reraise preflop then bomb the flop. Not b/c this is the optimal way to play Aces but b/c it sets up opportunities down the line for you to resteal and forces the villain to make tough decisions. This line is an offensive strategy whereas you the calling line is essentially a defensive play (protecting yourself from being bluffed). Do you have any read on the villain that says he'll play a 480BB pot with only one pair? One of the secrets to be a successful lag is to play small or medium sized pots with one pair then when you have two pair or better play a big pot. People tend not to believe you have it when you are splashing around all the time.