I think this post is applicable here, too.
Ted Osborne, co-author of the "J2EE Performance
Testing using BEA WebLogic Server" and "Professional
EJB," will be hosting a one time on-line presentation: "J2EE Performance, from Design to Test" on November 13th at 1pm EST. Every registered user of JavaRanch is welcomed to attend.
To sign up or read the abstract, go through Ted Osborne's performance site at
http://www.tedosborne.com