Once you have SharePoint deployed, it’s up to the end users, power users, and IT Pros to make the best of it. This section discusses best practices targeted towards this audience.
- http://social.technet.microsoft.com/wiki/contents/articles/8110.sharepoint-2010-best-practices-asset-vs-picture-library.aspx, discussion of the use of Asset vs Picture libraries.
- http://social.technet.microsoft.com/wiki/contents/articles/8138.sharepoint-2010-best-practices-copying-permissions-between-site-collections.aspx, dealing with copying permissions between site collections.
- http://social.technet.microsoft.com/wiki/contents/articles/2209.best-practices-for-indexing-file-share-content-en-us.aspx, best practices that help indexing content stored on file shares.
- http://sharepointdragons.com/2012/03/27/sharepoint-2010-wcf-best-practice/
, discussion whether a WCF service sould be separate or run within SharePoint context. - http://social.technet.microsoft.com/wiki/contents/articles/8680.sharepoint-2010-best-practices-folders-not-necessarily-considered-evil.aspx, discusses advantages of folders over views.
- http://social.technet.microsoft.com/wiki/contents/articles/9638.sharepoint-2010-best-practice-keep-relational-data-in-a-database-or-migrate-it-into-a-custom-list.aspx, discusses whether to store data in SharePoint lists, external lists, or relational databases.

July 4, 2012 
This is part of the the great wiki article over at Technet. I’ve created a Mind map of everything together in one place here:
http://www.sharepointdownunder.com/mind-maps/mind-map-sharepoint-2010-best-practices/