That's awesome, sounds like quite the haul! I hadn't heard of the dragonfly till now, but they look awesome. I'm a sucker for the lighter colored morphs. When we picked up our lesser and butter pair, the seller talked us into taking home a queen bee too because of that.
With your BEL though, that makes sense. He looks like one of the cleaner pairings either way, don't see a stripe or such from what I can tell. I wasn't originally planning to breed, but when I keep seeing all the cool combos I could come up with I had a hard time saying no.