I think cosmetics are essential for immersion, if anything it's immersion-breaking when everyone look alike without any variation.
If it's a guild you can look alike for sure but you should still be able to look different even if you wear the same clothes.
I imagine ArtCraft will add recipes for purchase which makes you able to craft different looking things even if they have the same stats as the normal ones. Just look at the Arcane Weapon Recipe set, this is a smart move and I hope for more of this, a lot more.
Expecting recipes for everything craftable(for different looks), buildings, tax-free parcels and character slots. (as it's been mentioned that everything will be available except for the Kickstarter exclusive Arcane Weapon Recipe set and the Kickstarter exclusive strongholds/castles)
I also somewhat expect us to be able, at least for a time, to upgrade our Kickstarter exclusive strongholds/castles through the homepage's upcoming store. Maybe we'll also see alternative "no gear" states we can purchase since having no gear won't be uncommon.
Hopefully everything will be reasonably priced.