Microsoft expert Mary Jo Foley has come across new information regarding the performance increase through Service Pack 1. According to this, the following improvements should occur:
Copying processes between Windows Vista (SP1) and other Windows operating systems should be up to 45 percent faster.
The time of a copy operation between two folders / partitions has decreased by 1/4.
The copying process between a remote PC and a client now only takes half as long.
Home users will be particularly interested in the increase in performance when viewing images. Here, performance has increased by 50%.