Just a smidgen of searching before posting is appreciated. Especially when the original title is -identical- to your 3-day-old dupe. http://news.ycombinator.com/item?id=544808
If you want a printed one (which was my first thought) reserve it by sending them an email with "Reserve WTM" as the topic as per the instructions: http://informationarchitects.jp/web-trend-map-4-final-beta/ they will only make a thousand.
What amazes me more than the map itself, is the fact that Tokyo has this subway system. Looks absolutely gorgeous and so well developed... nothing like the system we're stuck with in Toronto :(