Well depends what you like, IF you like killer bee's look at getting a Bumble Bee (cheaper then killer)

Killer bee X pastel nana, Will offer everything with pastel gene (But breeding your own will give you way more satisfaction)

You could all get a Mojave Bee (pastel/mojave/spider) And then have a shot at making killer bee's/Pastaves Super pastel mojaves. And those 3 Aswell with Banana gene

Check world of balls genetic wizard for possibilities