So yeah I wasone of those fans that went crazy for this and i was/am justified in doing so.
The trusty twitterverse got me a link to the entire Concert that aired on Nico Nico here is the link if anyone wants to indulge. Mikunopoplis Streaming video
The atmosphere was fever pitch, Im certainly going to buy this when it is released on DVD or Blu ray.
Also some of the local press quite naturally caught wind of this historic event, If you are not into Miku atleast get some laughs from this via Japanator