depends what u want to aim for mate, personally i've only just started to put a nice collection together, and i've gone for 3 projects, 1st is bell albino project which i hope to get super mack bells and mack snow enigma bells from, 2nd is the sunglow project which has had enigma mixed into (thanks Ryan

) to try for sunglow enigma and as bright sunglows as i can produce, then the 3rd is the biggest/longest project of 2 female raptor bred to mack snow bell albino for radars(bell raptors) and mack snow radars/raptors and what ever else fun might pop out
here's a couple of mine to help u decide
tug snow enigma ( only one i've bothered to edit

)
enigma het bell albino
sunglow