I've used them in a few brews. In fact I have a heap of them that is going to take me a while to get through.
I used them in a stout that came out awesome.
Used them in my Imperial Pilsner at the weekend too.
Have used them in other brews but can't recall off the top of my head.
I've really been meaning to use them in an APA as the bittering addition.
I've also tried a number of Nelson beers made with them (Harringtons Lord of the Rings Stout), and Macs AroMac.
They are also used in the Speights Pilsner