Overall shape of
#6 is good, but need to use a thinner more sleek lettering.
Too much red. I like black, white and darker colors. You are encouraged to use gold too, but a realistic tone of gold, similar to a solid brick. I don't mind a bright color, but just to accent the logo not overpower.
Also, I don't love the door. It is a bit complicated and I don't really see a door unless I know what it is. The door is suppose to form the "I" so there is no need to put a lower case "i" in the middle. If you decide to make an abstract version of the doors, you can just put the mark next to the lettering and include the "I" in "Insiders" instead of replacing the "I" for the mark.
I hope this helps. Good Luck!
RD