I've visited Battlefield Berlin last week while on vacation and I love the shop and the employees were very friendly and helpful.
Totally recommend - will be there each time in Berlin
You can see what they have in stock in their web store and the stocks are spot on if a little chaotic at the times (but what you can expect from the wall of Reaper DHL models that are examined by customers (I was browsing for one code for 10 minutes before I found her
And Its close to the metro station