I have also started using moleskine notebooks (A5) at my work.
Moleskine notebooks have a great story:
"Moleskine is the legendary notebook, used by European artists and thinkers for the past two centuries, from Van Gigh to Picasso, from Ernest Hemingway to Bruce Chatwin.
This trusty, pocket-size travel companion held sketches, notes, stories and ideas before they were turned into famous images or pages of beloved books.
Originally produced by small French bookbinders who supplied the Parisian stationery shops frequented by the international avant-garde, by the end of the twentieth
century the Moleskine notebook was no longer available. In 1986, the last manufacturer of Moleskine, a family operation in Tours, closed its shutters forever."
15 people work at Modo & Modo and they will sell 5,223,000 Moleskine notebooks in 2006 which will travel the world.
Moleskine is now manufactered by Modo & Modo. Great links with more info is Squidoo's Moleskine page and Moleskinerie. Jeremy Wagstaff, a columnist from the Wall Street Journal wrote an article in the WSJ about Moleskine notebooks
The sketchbook of Vincent van Gogh (1888–1890) - Van Gogh Museum, Amsterdam