Okay, it does _only_ switch between open applications, hide/force quit applications and the like, but compared to the Dock it does it at the right place. And it's free, anyway.
Check this out: http://www.versiontracker.com/moreinfo.fcgi?id=14857&db=macosx
Check this out: http://www.versiontracker.com/moreinfo.fcgi?id=14857&db=macosx