Designs of Zzen's boards

Here are some of the designs that I have for Zzen's boards.
Please take a look and tell me which one do you prefer.
Your comments are important to me. =)

Design 1


Design 2


Design 3


Design 4


Design 5


Design 6


Do let me know if you think "this" design + "that" color will be better.
Or if you have better design(s), you can let me know too.
I will be happy to take that into consideration.