Here is the schedule for a series of MSDN web casts on introductoion to SharePoint development topics for .NET developers. If you are a .NET developer then these are the most interesting ten introductory things you can do on SharePoint Products and Technologies.
Each MSDN Web Cast is an introduction for .NET Developers to SharePoint.You need to register for the web cast by clicking the link and entering some details. Then you get emailed a link to sign on and participate in the web cast on its date and time.
Each MSDN Web Cast is recorded for later viewing which should be through the same registration URL.
Web Parts
Robert Bogue
Data Lists
Silverlight
Andrew Connell
Event Handlers
Page Branding
Workflow
Web Services
Page Navigation
User Management
Content Types