XtraDB and Innodb 1.1 Async IO Support Feature

Any plans to add the following to XtraDB for the 5.1 tree or any of the other nifty feature in the 1.1 plug-in for Innodb?

http://dev.mysql.com/doc/innodb-plugin/1.1/en/innodb-perform ance-aio-linux.html

You may check our roadmap there
http://www.percona.com/docs/wiki/percona-server:roadmap