Microsoft Windows Vista 5365 is probably going to be released on Connect this Monday. This build is an Interim build which will include several bug fixes and some UI changes. It is expected to feature a new UI for Internet Explorer 7. Still in a pre beta 2 stage.
For what it concerns vista 5361, a German web site has posted 18 screenshots of such build. Not much is said of the performance or other changes. There is no confirmation of this on Connect.