Twitter WebParts for SharePoint
Find screenshots and Download here: Show Tweet, Write Tweet, Show Followers, Show Following, Follow me

Upgrade reference (Migration from SharePoint 3.0 or 2007 to 2010) 
Provides a list of IDs for default templates, features, and content types in Office SharePoint Server 2007 or Windows SharePoint Services 3.0 that can be used to identify the mapping between an ID and a specific named template or feature.

Bytes by TechNet - Todd Klindt and Harold Wong
Harold Wong speaks with Todd Klindt, MVP with Sharepoint 2010 and cover several important components of Sharepoint 2010 including Windows Powershell integration, central administrative function and the Help Analyzer.

Bytes by TechNet - Shane Young and Harold Wong 
Harold Wong discusses SharePoint 2010 features with Shane Young, founder and owner of SharePoint911.com. Their conversation covers Shane’s favorite SharePoint 2010 capabilities, such as Service Applications and improved Search features – including FAST Search Server 2010 for SharePoint, scalability and multiple crawl servers and query servers

 SharePoint 2010 Central Administration  Video
This video about SharePoint 2010 Central Administration demonstrats new interfaces for doing both familiar tasks and some of the new tasks.

Wiki-Extensions for SharePoint
Listed by SharePointSocial (M.Greth)

SharePoint 2010 Databases and Windows PowerShell
Technet-Overview of Database-Tasks with PowerShell

Configurable policy settings for user profile properties
TechNet-Blogpost about Policy Settings of Profiles