I came here for the same question.
BTW: Go to
http://catalog.update.microsoft.com/v7/site/Home.aspxType in
Vista x64 then press
Search button and you'll see updates in order by date newer to older.
I did a search trough SP1 contents.
(KB951618) 11/08/2008 n/d 1,9 MB 1947193
(KB940157) 22/07/2008 n/d 11,9 MB 12466752 Windows Search 4.0
(KB955020) 08/07/2008 n/d 63,1 MB 66133418 Whit this one you can add words to english and german dictionaries, Critical Update
(KB950124) 24/06/2008 n/d 16,0 MB 16775344
(KB937287) 08/04/2008 n/d 9,6 MB 10034364
(KB950127) 07/04/2008 n/d 265 KB 272297
(KB949939) 07/04/2008 n/d 1,2 MB 1283323
(KB945553) 07/04/2008 n/d 423 KB 433916
(KB941693) 07/04/2008 n/d 1,6 MB 1656115
(KB946041) 10/03/2008 n/d 931 KB 954003
(KB943899) 12/02/2008 n/d 3,6 MB 3739073 in SP1 but may be newer.
(KB943302) 12/02/2008 n/d 3,4 MB 3597491 in SP1 but may be newer, there is same KB code but december's update could be in SP1.
(KB947172) 11/02/2008 n/d 17,6 MB 18408177
(KB946456) 11/02/2008 n/d 1,1 MB 1135635
(KB946026) 11/02/2008 n/d 468 KB 479860
(
KB943411) 21/01/2008 n/d 1,5 MB 1522805 an update released in january seems to be included in SP1,
ignore.
Olders seems to be included in SP1, instead it was released in March, doesn't have included 11/02/2008 updates:
http://technet.microsoft.com/en-us/library/cc749061.aspxEverything in XP SP2 inside Virtual PC, it is working/downloading ok.
Thats how i start downloading.