Thought I would share this mod I just finished. I was tired of having to always disconnect the fans on the side panel when I take it off, and I saw the side panel contacts that Thermaltake has on their GT 10 case.
You can see the fan controller wire hanging their in the top corner:
I took the leads of a fan Y splitter and soldered them to a small piece of plastic and made some contact points. I used some hot glue to attach it to the side panel:
Did the same thing with one the leads of the fan controller and mounted it to one of the tabs that stick out on the inside of the case: