Cheesy? These sets look pretty awesome to me. The villains remind me of some titans or angels from Evangelion and they look very menacing, some apocalyptic backgrounds adding to the effect. One of those guys is a black&red Balrog-like monster with what seems to be a scythe as a weapon. Most of the sets also contains some small four-legged bug minions.
You're right. The hero mechas have no heads, but large cockpits in the center and the figs are standing inside them (I clearly remember the orange one standing, not sitting). Maybe the new legs are to make them connect to the mech without studded system parts? The villains, on the other hand, have heads. Breez is the green one, right? As far as I remember, she is standing on top of the winged villain (Flyer Beast?) like she is trying to control him or to find some weak spot on his head. That's what it looked like to me, at least.
What? Did I say Evas are robots? As far as I remember (watched only a small part of the series years ago), they are some kind of biomechanoid creations. The villains in the new HF also look more organic - the hero mechas are bulkier and are clearly machines, but these things look more biomechanoid. That's why they remind me of Evangelion.
All of them are very dark - mostly black, I guess. The Balrogesque one has head and claws in regular red. The Flyer Beast has yellow head and shoulders, possibly some trans yellow as well. The third one has purple head and small bits of teal/turqoise in his limbs (?).
Yes and yes. However, the purple head was called "Jaw Beast" and it's the smallest. The teal parts (not sure if I'm 100% right about it, the colors were a little off) are only small bits. Splitter is the demonic Balrog-like one. One more thing to say about the latter - after staring at the image for a couple of minutes, I suddenly realized the red crab-like part with downward pointing "horns" that I believed was the creature's head, might really be his shoulder pad. In this case, his head is a large dark part I mistook for his shoulder/back and his starting to look more like the Rockbiter from "Neverending Story", with a massive rocky jaw (still cool and menacing, though) and one (?) red eye. Or... he has two heads! Then his name, derived from "splitting", would actually make sense... Sorry, it's really hard to make out details from such small pictures…
I've already tell you all I could make out from those blurry pictures. The figs looked okay, not too goofy. Looking forward to see them in hi res. The white one (is his name Stormer?) would make a nice Stormtrooper.