From the update:
Drakerys jsut went past the $150k mark, unlocking new heroes for the Ashral orcs and the Irosia Paladinate.
They also offer a free additional army box to all their Elemental 5 backers.
Now the dwarves are the next announced step, even though their latest update mentioned some surprise stretch goals before Bastion.
They also posted their 2 part Gameplay video, showing how a game plays, from deployment to magic going through shooting and melee combat.