I'm really excited about the release of Oracle database 11g...even if it is only for Linux at this time. I am almost thinking about setting up a Linux box just to try it out...but perhaps I'll wait for the release of the Windows version.
There are a significant number of new features added to this release. One of the top items that I am interested in is "hot patching". I'm also glad that PL/SQL performance has been improved, and that SQL Tuning can now be fully automated.
Check out this link for a great amount of detail. The latest edition of Oracle magazine also showcases the new release...grab a copy if you do not have one yet.
This looks to be a release that we will definitely want to invest some time into!