Creating VLANs lets you divide your single physical network into multiple logical networks, or broadcast domains, so you segregate users for increased security, performance, and quality of service (QoS) control.
Articles by Eric Geier
April 11, 2012
April 04, 2012
Since Microsoft recommends a clean install over an update, it really comes down to what your current problems are and whether or not you will benefit from the new features, of which, there are many in '8'.