Since you are using normal females, I am going with you're just getting your footing in breeding, and have a smaller budget. (I could very well be wrong, as this is only an assumption to provide a reference for budget range, and is in no way intended to be offensive or anything, if it can be taken that way.)

Since you are starting out, I imagine you will want to hold back something spectacular from your first few breedings (preferably females) for your own breeding stock, so I would first and foremost suggest picking genes you like to work with. Since you're looking for suggestions, if it were up to me, I would choose two color morphs and a pattern morph (either spider or pin, however, spider has inherent problems, so I would choose pin). The color morphs I would pick--based all on budget, preference, and what you currently have as breeding stock--would be mojave and cinnamon (savannah). Holding back a female mojave and breeding it to your lesser would yield BELs; holding back a female cinnamon bred to your pastel would yield Pewters. Pinstripe or spider would be a bonus.

The only problem with this is I don't know if a savannah pin has been made yet, and I can't find anything on a savannah spider, either. So alternatively, using a cinnamon x mojave x pastel would give you the chance to make super pastels in the future as well.