As I'd had some help from this board, I thought I would give a brief report of what we ate in Berlin when we were there for a few days recently (ish).
First of all, I have to say that I had the best doner kebab of my life (and I've had a few...) in Berlin. We went to the Turkish market in Kreutzberg, as advised on this board, and went into an imbiss (the only one I could see on the same street as the market) which was full of smoke and Turkish men. We ordered a doner kebab with bread and chilli sauce and a Turkish pizza. They were both divine. I still dream of them... We had another kebab a few days later from an imbiss under the bridge by Friedrichstrasse Station, and we were really disappointed. The same went for our only currywurst experience, but we probably didn't go to the right place.
After the market, we were strolling along Oranienstrasse in Kreutzberg, and found this lovely deli which had a couple of tables where you could try some of their Middle Eastern dips and bread with a glass of wine or turkish tea.
We ate at the Ganymede restaurant - a French bistro - on the road running along the river opposite Friedrichstrasse Station, and it was excellent. It was quite pricey, but worth it.
We ate at QBA, a Cuban restaurant on Oranienburgerstrasse in Mitte. We had really tasty and succulent chicken wings there (and I'm a bit of an expert on these underated bits of poultry!), but the rest of the food was very disappointing - much of it very dry and dull.
A good place for Lebanese food is the Al Rai on Grosse Hamburgerstrasse (great name for a street...). We particularly liked the lamb tagine type dish my husband ordered - it was quite spicey and seemed to be a mix of Morroccan, lebanese and Ethiopian styles. I had the Schwarma (a chicken version of the Doner kebab), and it was tasty, but a bit greasy for me. I had been told that the falafel here would be brilliant, but I wasn't sure - but that could be because I think that I just don't "get" felafel - they always seem to be too pasty or too dry.
Finally, we of course had to go to the food hall at KaDeWe (how do you pronounce that!?). We ate oysters cooked with wine, garlic, shrimps and caramelised butter - divine; we then had lobster tails at another stall. We went off shopping for a couple of hours and then went back to eat antipasti and pasta at one of the Italian stalls. All of it was excellent, and I loved being able to just graze at lots of different places.
We enjoyed Berlin, and will go back again - I can't eat "English" doner kebabs anymore...