[dermatthias]

German bookstore Lehmanns, known for academic books, is selling Vi, Emacs, Linux, BSD and Latex reference mugs. They even got one with the number Pi and e on it.

For example, the Vi mug: http://www.lehmanns.de/shop/mathematik-informatik/5635112-97...

Latex: http://www.lehmanns.de/shop/mathematik-informatik/7361330-97...

[muuh-gnu]

My fave have always been the GNU mugs:

http://www.linux-fan-shop.de/images/product_images/popup_ima...

Another giant mug catalog is

http://ixsoft.de/cgi-bin/web_store.cgi?cart_id=1177611_4791&...