Yeah Deceiver feels like practically a new class.
Sable Company Marine just seems flat out superior to basic Ranger in every way. Tons of great pet abilities (AoE trip! Charge without bullshit in the way! Guaranteed Crit with +1 multiplier at level 20!), what you lose is literally irrelevant crap. If you're willing to use your swift action for instant enemy then you don't need demonslayer.
Drunken Master's AB and AC bonuses also look pretty damn nice. Doubt it makes fists better than Sohei with weapons and on a horse but it looks strong.
Seems like most of these classes are high in the power levels. Which is probably a good thing, if you're gonna make a new class in a game with 200 of them already then they should be worth using.
The flying charge is buggy right now in that charge bonuses don't work with it (such as mythic charge, or the longspear bonus for instance).
I'm really hopeful this will get fixed because I see a lot of great potential with it.
edit - it's a buggy mess. Not surprising if I'm honest.
ANYWAYS, I did some more testing.
Heavy landing is busted (in good and bad ways).
The bad - the AoE is not working. It only works on the primary target.
the good - the half-level bonus to the cmb check makes it by far the best tripper out of the animal companions. Also, despite certain bonuses not applying to the CMB (such as inspire rage), certain maluses aren't applying either (such as power attack and fighting defensively). I assume the reason for that is that, unlike the other trippers, the trip comes before any attacks rather than after.
Also, despite the bugs, at least pounce works if it's on the rider (via feat or skald). You won't lose your extra attacks.