【ニコニコ動画】中曽根OFF in 秋葉原
The hoary old original, done in Akihabara. A bit imprecise, but notable for the sheer number of people the starting group drags in.
【ニコニコ動画】中曽根OFF in 大阪日本橋
Here, we see the meme's evolution, in an awesomely elaborate version done in Nipponbashi, Osaka. This one also incorporates "Screw the Plan" and is generally the best thing everrrrr. The "mizuiro" (the guy in blue who leads things) in this one is totally awesome.