Heh, how about Double X aka Alex Kowalski and Torsten Litschko? Some phucking phunkey moosik there... Also Adam Beyer and Henrik B don't dissapoint, at least production-wise - the same could be said for Smith & Selway... Sven Dedek and Alex Bau? There are quite a few good collaborators, hard to think of them all right now... Any ideas?