Sorry to hear of your father's battle with cancer.

As far as Mods I am looking at the same since I just picked up my SRT in May.

At Carlisle this weekend. I had my NeedsWings CAI installed. The car seems to run better and of course you can now hear the supercharger wine up. Even if the HP is not much , it certainly makes the car more fun to drive.
My next mod is to look into shocks/springs to improve the ride of the car. Koni's sound like the way to go in this area.

After this. It is the possiblity of the pulley change. Sounds like these can add up to another 30-50 HP. Trying to find a used one from one of the members.

Good luck with the mods.

Jake80