Why upgrade to Vista SP1? How has file copy changed since XP

Mark Russinovich has posted a great article which goes into detail upon how to file copy functionality in Windows Vista's Service Pack 1 is a great improvement. As Mark mentions there are improvements right across the operating system including performance, reliability and security. You can read all about the changes in the white paper titled Windows Vista SP1 Guides for IT Professionals.

The glitches are gone hence you shouldn't see anything like this...

I only had a handful of instances where the "time to copy" calculation went horribly wrong - the copy operation denoted above actually only took minutes not years as suggested.