Windows XP x64 Service Pack 3 ??

[HomerSimpson]

Ciao ragazzi, mi è appena arrivato l'ultimo bollettino sulla sicurezza di MS, e con mio stupore vedo che le patch indicate si applicano anche al service pack 3 di windows xp x64....
Ok, son contento...ma in che senso SP3 per x64 ???

Qualcuno è al corrente di qualche cosa che un certificato MS non sappia?
E' forse questa un'anticipazione di una prossima uscita anche per tale sistema del SP3 ?? Ne sapete qualche cosa??

Allego parte del bollettino togliendo dei riferimenti, ovvio
Ciao

********************************************************************
Title: Microsoft Security Bulletin Revisions
Issued: April 22, 2008
********************************************************************

Summary
=======
The following bulletins have undergone a major revision increment.
Please see the appropriate bulletin for more details.

* MS08-*** - Critical
* MS07-*** - Critical

Bulletin Information:
=====================

* MS08-*** - Critical

- ***************
- Reason for Revision: V2.0 (April 22, 2008): Added Internet
Explorer 7 for Windows XP Service Pack 3 and Internet
Explorer 7 for Windows XP x64 Edition Service Pack 3 to
affected software.
- Originally posted: April 8, 2008
- Updated: April 22, 2008
- Bulletin Severity Rating: Critical
- Version: 2.0

* MS07-*** - Critical

- **************
- Reason for Revision: V3.0 (April 22, 2008): Bulletin updated:
Added .NET Framework 1.0 (KB928367), .NET Framework 1.1
(KB928366), and .NET Framework Version 2.0 (KB928365) as
affected components for Windows XP Service Pack 3 and Windows
XP Professional x64 Edition Service Pack 3. This is a
detection update only. There were no changes to the binaries.
- Originally posted: July 10, 2007
- Updated: April 22, 2008
- Bulletin Severity Rating: Critical
- Version: 3.0