I feel like the new Ducky Mini v2 should be the top of this list. Ducky's been showing it off the past few days / week(s) and it's looking incredible. Definitely better than the Poker 2 when it comes to customization, as well as a case that looks to be aluminum.
https://www.facebook.com/pages/Ducky-Keyboard/117547488320354
https://www.facebook.com/pages/Ducky-Keyboard/117547488320354