Preordered at the voyager plus tier ($375) as I love the open development process, game ideas planned, and want to jump in asap to help test.
That said, the preorder purchase process was odd...it was handled by a 3rd party and there is nothing confirming the preorder specifics unless you fish around your account. Not a great customer experience considering the amount of money spent. At the very least an email thanking for purchase?
For the record I believe in this project and want nothing more than for it to succeed