In the last month, I bought a book made me interested. This book "Gendai Shikaku Bunka Kenkyu Vol. 4" features the decade of Otaku culture till 2010. It was good for me to know what happened in Otaku culture around 2001 to 2006. Developing of anime visual and Yuri genre, tendency of Tokusastu,Youtbe and Haruhi, etc... If you are interested how Otaku culture have developed by present day, it is good source to satisfy your interest. I put the link of the book below.
The link to amazon: http://www.amazon.co.jp/%E7%8F%BE%E4%BB%A3%E8%A6%96%E8%A6%9A%E6%96%87%E5%8C%96%E7%A0%94%E7%A9%B6-vol-4-%E4%B8%89%E6%89%8D%E3%83%A0%E3%83%83%E3%82%AF-VOL-293/dp/4861992516/ref=sr_1_1?ie=UTF8&s=books&qid=1273983948&sr=8-1
