I like the fire combos (fireflies, axanthic fire, etc). I also am a big fan of some of the recessives; can't beat a classic high contrast albino and an albino pied or lavender albino, pied or not...?! Smokin' animals, those. Miomosas are sweet animals, if you like the champagne gene. I'm not a huge fan of spiders or pinstripes, on their own or in combo; just my personal opinion but anyway. Most everything looks better with some hypo in it, if you like recessives at all. The yellowbelly genes are nice for cleaning up some other morphs and combo well with about everything, not to mention the super. I think it all really depends on what you like: lighter/darker morphs, lower contrast vs. high contrast animals, busy patterns vs. subdued...all up to you. There are so many animals to pick from and if your finances/tastes allow and you pick up a few multi-gene males/females, the skies the limit for what you could produce with 4+ gene animals.