First off welcome to the site from California. Glad that you are here, and you have come to the right place for help with your 75.
Second, nice truck, nicely done on the video, and I know this is a Chevy site, but nice F100, those old fords do have an appeal to me.
As far as what to do with the truck, spend some time browsing the members rides section, and projects post to find out what other members have done with their trucks.
My wife and I have a vacationed planned to Colorado late November to see her parents in Colorado Springs, I love how CO. feels in the fall. Good luck with the truck and ask away with the questions.