1) golden version totally sucks
2) your custom stand is nice and thematic
3) your idea of "real hair" is excellent and looks cool everywhere except forehead, where it looks like some rotten undead.
statues with "real" hair are always tricky. but i think this medusa's gaze custom looks pretty cool. personally, i'd give her darker and slightly less glossy hair to make it more gritty and consistent with the rest of the character's costume...
with no measurements and no statue beside it to compare... It'll be hard to say what scale..... but my guess it'll be same scale as TOI (Touch of Ice) or Golden Lover