Have you ever had a question about Innodb internal design or behavior which is not well covered in MySQL manual ? I surely had.
Now you have a great chance to have them answered !
Heikki Tuuri, Creator of Innodb will answer your Questions about Innodb at MySQL Performance Blog.
Please leave your questions as comments to this post by 5th of October and I will pass them to Heikki to reply merging with questions I have myself.
Note: due to Oracle policies Heikki will likely be unable to answer your questions about Innodb new features or timetables.