Changes

There are Excel files, which list all changes by the SP2

WSS SP2

Office Servers SP2

And the KB article, with more information:

Description of Windows SharePoint Services 3.0 SP2 and of Windows SharePoint Services 3.0 Language Pack SP2

Description of 2007 Microsoft Office servers Service Pack 2 (SP2) and of 2007 Microsoft Office servers Language Pack Service Pack 2 (SP2)

And finally the downloads…

Client

The 2007 Microsoft Office Suite Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=B444BF18-79EA-46C6-8A81-9DB49B4AB6E5&displaylang=en)
953195 (http://support.microsoft.com/kb/953195)

Microsoft Office Language Pack 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=E1203DB2-1CC9-4809-9B6E-3F232CB8899F&displaylang=en)
953195 (http://support.microsoft.com/kb/953195)

Microsoft Office Project 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=C126FA4A-B43F-4F7E-A9D4-522E92A6CFEE&displaylang=en)
953326 (http://support.microsoft.com/kb/953326)

Microsoft Office Project Language Pack 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=B7DF323E-73B8-4344-826A-A01E6F920B1B&displaylang=en)
953326 (http://support.microsoft.com/kb/953326)

Microsoft Office SharePoint Designer 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=88EFF285-0B92-45ED-979B-65AA22304DD6&displaylang=en)
953292 (http://support.microsoft.com/kb/953292)

Microsoft Office SharePoint Designer Language Pack 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=1980414E-FE98-4A7C-B3B5-F852FDAB0533&displaylang=en)
953292 (http://support.microsoft.com/kb/953292)

Microsoft Office Visio 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=78E36742-8BDA-471E-88E6-9B561BB06258&displaylang=en)
953327 (http://support.microsoft.com/kb/953327)

Microsoft Office Visio Language Pack 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=F2180932-A29A-4740-A326-A2DAE48E1E46&displaylang=en)
953327 (http://support.microsoft.com/kb/953327)

Microsoft Office Proofing Tools 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=9354DCE6-8FA9-4CF1-995F-2F1D219FED95&displaylang=en)
953328 (http://support.microsoft.com/kb/953328)

Microsoft Office Access Runtime and Data Connectivity Components 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=6F4EDEED-D83F-4C31-AE67-458AE365D420&displaylang=en)
957262 (http://support.microsoft.com/kb/957262)

Calendar Printing Assistant for Microsoft Office Outlook 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=6F27B2B2-49DA-4193-BCAC-E924B2E62E13&displaylang=en)
953329 (http://support.microsoft.com/kb/953329)

Microsoft Office InterConnect 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=C7410B7F-3D67-4B18-B6FE-8F77CF7D239A&displaylang=en)
953330 (http://support.microsoft.com/kb/953330)

Microsoft Office Compatibility Pack Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=4F97AB2F-1F7D-49A3-9123-7CA3E703B916&displaylang=en)
953331 (http://support.microsoft.com/kb/953331)

Excel Viewer 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=D68D2719-C6D5-4C5F-9EAC-B23417EC5088&displaylang=en)
953336 (http://support.microsoft.com/kb/953336)

PowerPoint Viewer 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=A208E535-C639-435D-85DD-5261D3A5F6A5&displaylang=en)
953332 (http://support.microsoft.com/kb/953332)

Visio Viewer 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=9733A0B0-E0F4-477C-B682-B11BDA63CD19&displaylang=en)
953335 (http://support.microsoft.com/kb/953335)

Microsoft Office Language Interface Pack 2007 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=2C4E0D5D-3379-43DF-8EB4-FFB268720007&displaylang=en)
953339 (http://support.microsoft.com/kb/953339)

Microsoft Service Pack Uninstall Tool for the 2007 Microsoft Office Suite
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=b97e6ecf-8da5-455d-b3bb-8ff2223f97c4&displaylang=en)
954914 (http://support.microsoft.com/kb/954914)

Server

The 2007 Microsoft Office servers Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=B7816D90-5FC6-4347-89B0-A80DEB27A082&displaylang=en)
953334 (http://support.microsoft.com/kb/953334)

The 2007 Microsoft Office servers Service Pack 2, 64-bit edition
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=B7816D90-5FC6-4347-89B0-A80DEB27A082&displaylang=en)
953334 (http://support.microsoft.com/kb/953334)

The 2007 Microsoft Office servers Language Pack Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=01C6A3E8-E110-4956-903A-AD16284BF223&displaylang=en)
953334 (http://support.microsoft.com/kb/953334)

The 2007 Microsoft Office servers Language Pack Service Pack 2, 64-bit edition
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=66C5026F-9F47-4642-8378-2526918009FA&displaylang=en)
953334 (http://support.microsoft.com/kb/953334)

Windows SharePoint Services 3.0 Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=79BADA82-C13F-44C1-BDC1-D0447337051B&displaylang=en)
953338 (http://support.microsoft.com/kb/953338)

Windows SharePoint Services 3.0 Service Pack 2, 64-bit edition
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=79BADA82-C13F-44C1-BDC1-D0447337051B&displaylang=en)
953338 (http://support.microsoft.com/kb/953338)

Windows SharePoint Services 3.0 Language Pack Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=085E5AC8-58F6-4CF9-8012-33B95EE36C0F&displaylang=en)
953338 (http://support.microsoft.com/kb/953338)

Windows SharePoint Services 3.0 Language Pack Service Pack 2, 64-bit edition
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=2C2B6CAF-B46D-45EB-AC4D-DEAAA48C3A2C&displaylang=en)
953338 (http://support.microsoft.com/kb/953338)

Windows SharePoint Services 3.0 with Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=EF93E453-75F1-45DF-8C6F-4565E8549C2A&displaylang=en)

Windows SharePoint Services 3.0 x64 with Service Pack 2
Download (http://www.microsoft.com/downloads/details.aspx?FamilyId=9FB41E51-CB03-4B47-B89A-396786492CBA&displaylang=en)