Hmm its interesting that SP1 is so far looking rather disappointing. A performance increase would have been very welcome as Vista just comes across as being clumsy with times when things run fast and times when things hang or grind to a halt for no apparent reason.
I got a little irritated when after only running it for less than a week I had to perform the shut down sequence twice before Vista would actually decide to do it.
We will have to wait and see for the final SP1 verdict, it can't be to much longer before a final release?
When it is released I am sure you good people with Vista will give it a whir and see if it makes life easier or plain harder