Depends on what you want to make. If it were me though, I would go with either a Cinnamon, Pastel or a Mojave. Since a few of my favorite morphs are Mojaves, Pataves, Pewters, and Super Pastels. (Can you tell I am fond of Pastel breedings? )

If I could only choose one and I had the funds? Cinnamon for Pewters.