Rhinoa is hosting the 2011 Manga Challenge on its own dedicated blog. She writes:
Challenge rules are simple. Sign up anytime throughout 2011, read a minimum of 6 manga and link to your reviews (see separate post). If you manage to watch any anime and post it on your blog please feel free to link to it in the review links as well as the two are very closely linked. Final rule is have fun!To sign up, visit the sign up post.