The development, testing and documentation of Service Pack 3 has been a huge effort from all areas of the development, testing, support and product management teams. Congratulations to all those involved with the release.
The core Dynamics dictionary version for Service Pack 3 is 11.00.2044 and the Dexterity version is 11.00.0359. For more version details download the MDGP2010_MSPVersionList.xls file. For the install guide and a list of issues fixed, download the 11.0SP3_install_guide_ENUS.pdf file. Both files are available from the main Service Pack page (or from the links here).
The links below are for the Service Pack pages so you can download all that Service Pack 3 goodness:
Service Pack pages for all current versions can been found on the Developer Articles & Links page.
Thanks to everyone involved for their fantastic work.
Note: Please do not post questions about technical issues in the comments, you would be best to post on the newsgroups (links in right hand panel) or create a support incident.