Each alternative workspace is as unique as the companies that create them. Yours will be a reflection of your own corporate culture and mission.  But while you're defining that mission, here are some trailblazers who have gone before you.  Learn from their successes ... and mistakes!

Chiat/Day
No desks, no paper and no "office hours." Chiat/Day's New York office was the most radical reinvention of the word "office" in this century.

St. Luke's
A London ad agency takes the idea of "open offices" to the maximum. Shares in the company are distributed equally to every employee - from the mailroom clerk to the creative director. This link will take you to their website, this link will take you to an article about St. Luke's from Fast Company written by WorkVirtual's Stevan Alburty.

Alcoa
Just in case you thought alternative workspaces were only for small service-based businesses, here's a highly egalitarian corporate headquarters from one of the world's industrial giants.