I have a brown / beige interior I am looking to "renew" several of the parts. Does anyone have any recommendations on color/manufacturer to use on vinyl dye/paint?

Use the search function type in "Plastic paint" (red Bar at top) a bunch will come up.

Check out the SEM products at their site. Use the map on the homepage to locate a dealer near you. Here is the link to their page for flexible coatings:

http://semproducts.com/product-catalog/flexible-coatings/