Hey! I just heard back from EK. They've been busy touring in the US. Here's the scoop.
Both the Gigabyte G1 and MSI Gaming 6G water blocks will be able to buy this coming Monday (9/14/15)! They will also be selling nickel and classic black anodized backplates.
More none reference design blocks to follow.
You are a saint. Thank you for keeping up with this request. I am super excited!
Sure thing, sorry it took so long!