http://msmvps.com/blogs/bradley/archive/2008/02/14/technet-plus-vista-sp1-available-for-download.aspxSee this: TechNet Plus Blog : TechNet Plus: Vista SP1 available for Download: http://blogs.technet.com/technetplussubscriptions/archive/2008/02/14/technet-plus-vista-sp1-available-for-download.aspx Install this: Do this: (if you need to) After installingenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/bradley/archive/2008/02/14/technet-plus-vista-sp1-available-for-download.aspx#1515356Fri, 15 Feb 2008 19:35:40 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1515356Graeme Smith<p>I didn&#39;t benchmark it but this made a BIG improvement to Network Speed of browsing and to how fast programs &quot;snap&quot; open. &nbsp;Better than the last Release Candidate by a long way which I&#39;m sure was still full of debug code.</p> <p>The DVD is worth it for those of us supporting 32 and 64 bit installations.</p> <div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=1515356" width="1" height="1">