I recently published a list of Silverlight 4 and Silverlight 5 Tutorials that should be a useful resource for every Silverlight developer out there.
Check the article at Microsoft Silverlight 4 Tutorials You Must Read
The list provides learning resources and covers various Silverlight controls like the DataGrid, DataBinding in Silverlight, Security, Communication in Silverlight using JSON, OData, WCF, REST, using Silverlight COM Automation features to interact with MsOffice tools, Silverlight 5 and much much more.
Will you give this article a +1 ? Thanks in advance