Microsoft have conceeded to the massses who were are crying for improvements to the currently botched successor to XP and have allowed the Release Candidate (not the final) iteration of Vista SP1 to go public.
It has barely been a year since Vista has been released and the issue of a Service Pack so early in a Win OS life can arguably be interpreted as an admission that the original Vista was severely flawed.
Get the Middle Man installer from [HERE]
*The MS site is suffering a torrent of requests so this may not load in a timely fashion .. or at all*
There is a Full Changelog [HERE]
You are Welcome to debate SP1, Vista in general and any other issue from the realm of computers in our forum.