Clothing and alternative shops in berlin.
 

So I just had my sixteen years birthday and my father gave me a three days trip to berlin (my favorite city which I will move to as soon as I can) with him. And so ofcourse I'm going to do some heavy shopping.
I only know of X-tra-X which I visited last time I was there.
So, can anyone recommend good shops to visit which sells Rivethead Gothic and generally alternative clothes? I'm also hoping to go to some military surplus shops, I sport the industrial clothing thing.
Please come with your suggestions :) other stuff that is worth seeing in berlin is also very welcome.

Ps, no emo or rave stuff please.