Lomking.de – the keep popping up on some of my web searches. They seem pretty kosher and their delivery costs/times to the UK are pretty good too. Wondering if anyone has any experience with them.

I know Komking. He’s a one-man band selling grey-import kit out of a shed at the back of his house in Bruchsal (small town near Karlsruhe)

He’s a nice enough dude, but I personally wouldn’t buy from him as I wouldn’t fancy my chances trying to get anything warrantied through him, should something go wrong.
Depends what you’re looking to buy of course, but IMO you’d be better to spend the extra couple of € and get stuff from a reputable shop.