I have used Meguiars' NXT Tech Wax on both my cars with excellent results. Follow it up with Meguiars Ultimate Shine Detail Spray for a slick wet-look finish.

Also use Meguiars' new tire foam on your tires. It cleans and blackens without rubbing. A fantasic product.

Be careful, however, on what you put on the SRT's forged aluminum wheels because they are clear-coated. Treat them like your paint and just use non-abrasive wax on them.