As you probably know by now, JavaOne 2011 is scheduled for October 2-6, 2011 in San Francisco. While it may be a tiny bit early to arranging your late-night agenda for that week, it's urgent that you realize that the call for papers is extremely short this year and closing May 23rd.
There are seven tracks planned this year with a total of talks that is reported to be increased over last year's conference. The program committee page should be soon updated with this year's track leads, both internal and external reviewers. So please make these people's life difficult and submit all your papers today!
Finally there's a JavaSpotlight Podcast episode dedicated to this Call for Papers (an interview with Sharat Chander, the Program Committee Chairperson) to learn all the tricks for a successful submission. Alternatively you should check out this blog entry on the JavaOne blog or this earlier blog post by Brian Goetz which certainly remains valid.
Good luck to all submitters!