It seems that Microsoft have updated the Internet Explorer 7 public download to build 5346. The new build supports the following versions of Windows: Windows XP SP2, Windows XP Pro x64, Windows Server 2003 x64, Windows Server 2003 SP1, Windows Server 2003 ia64.
XP SP2
XP x64 Edition
Server 2003 SP1
Server 2003 x64
XP SP2
XP x64 Edition
Server 2003 SP1
Server 2003 x64