Congrats on the sale and the purchase.
Be careful with the 996. I've only owned 1 911 - a 996 cab. It insulates your sensation of speed and it's VERY easy to be driving along, look at your speedo and see you're going 15 over.

The Boxsters and Caymans give you more of a sensation of speed.
Maybe the only way to calm you down on the street is to take it to the track.