Some useful links:

Hardware & Software:
http://www.computerbase.de
http://www.overclockers.at
http://www.heise.de

Fotography:
http://www.dslr-forum.de
http://www.fotocommunity.de

Photoshop:
http://www.advanced-photoshop.de
http://layersmagazine.com
http://www.psd-tutorials.de

Photoshop Fonts / Brushes:
http://www.thfonts.com
http://www.brusheezy.com
http://www.fontz.de