well, I did have 25 species a few months ago...had a huge collection. But, I kinda cut down. I now have phyllium sp, ET's, heterops and a few carausius.
I did have a pair of jungle nymphs but sold them, still got plenty of eggs here waiting to hatch though. My favs in current group are the Ctenomorphodes briareus. Nice and big, but also have good little defensive strategies that make you jump now and then...
Apart from the 'standard' wing displays, when large-adult, particularly the females, they will strike at you with their front legs, quite mantis-like in a way. It's convincing enough sometimes to make you leave them alone, can start to hurt a wee bit after a while of being punched.