The nominees for the 2011 Eisner Award were revealed this past week, and The Manga Critic have a list of the manga and manhwa nominees. 20th Century Boys in particular scored big, with nominations in three separate categories.
The Naoki Urusawa manga was nominated for Best Continuing Series, Best U.S. Edition of International Material and Urusawa himself was nominated for the Best Writer category. You can view the complete list of manga and manhwa nominees at Manga Critic.