There is very little you can add from the factory, other than those options displayed in the brochure.
There are Mopar options, which you can see on their website. www.mopar.com
Be prepared for a shock in prices if you look at the us site.
Remeber you are paying sales tax on everything purchased at the point of delivery, and Luxury tax if over $73k. Therefore it may be prudent to get no non factory axtras until you have taken delivery, then have them fitted at first service.