You may take a look at this list:
viewtopic.php?f=4&t=5138&start=110#p22590
It decreased the search time of a fresh installed Vista SP2. Also works for Server 2008.
@Dalai
Wouldn't it be useful to publish this list on your homepage?
I don't know, whether all of them are required, but this combo actually works (and does not contain any superseded update ATM).