There is a Tom's Networking Guide in German --
www.tomsnetworking.de -- which covers homenetworking an SMB networking.
We are unique in testing WLAN and Powerline devices triple-play benchmarks. We also covernetwork attached stroage (NAS), digital media adapters (DMA), and other network related stuff, i.e. Polymer Optical Fibers and some scientific content.
Google translate et. al. do a fair job to translate into English:
http://translate.google.com/translate?prev=_t&hl=de&ie=....
Regards
Arno Kral
Editor-in-Chief