YAAAAAAAAAAAAAAASSSSSSSSSSSSSSSS!
I've been waiting for this day forever! I'm obsessed with branded aesthetics, they are so pretty, my favourite colour is purple, it's a match made in heaven. I knew if they ever sold them in the Gem Store I would buy them straight away, no second guesses.
I've not bought any mount skins before as they're so expensive! But so far, I'm not regretting a thing! They are discounted with 20% off at 1600 Gems, but this still works out at £17 for buying the gems or converting 490 Gold, either way it will set you back a bit just for an in-game skin. (They know suckers like me can't resist).
Here's some of the mount skin previews with non default dye channels.
Griffon
Jackal
Skimmer
Springer
Raptor