Good reference links on SharePoint

Starting.. 

Introduction to Share Point Architecture

http://www.wssdemo.com/Pages/Architecture.aspx
http://wiki.ittoolbox.com/index.php/Sharepoint_Interview_questions
http://sharepoint.microsoft.com/pedia/Pages/Home.aspx
http://www.sharepoint-tips.com/
http://wss.collutions.com/default.aspx
http://office.microsoft.com/en-us/sharepointdesigner/FX100487631033.aspx
http://office.microsoft.com/en-us/infopath/default.aspx

Windows sharepoint services 3.0 (wss)

http://technet.microsoft.com/en-us/windowsserver/sharepoint/default.aspx

WSS Demo
http://www.wssdemo.com/application/default.aspx

Sharepoint Developer
http://blogs.msdn.com/pandrew/archive/2008/06/11/MSSharePointDeveloper-Content.aspx

For Installation and Site package refer here.
http://stsadm.blogspot.com/2008/01/create-site-in-database.html

Sharepoint Pedia
http://sharepoint.microsoft.com/pedia/pages/home.aspx

.NET Links

ASP.Net Performance Tips
http://msdn.microsoft.com/en-us/library/ms998549.aspx#scalenetchapt06_topic24

Silverlight

For starting development in Silverlight we need to install Silverlight from the following website http://www.microsoft.com/silverlight/resources/install.aspx?v=2.0

Please find below a list of Links relating to Silverlight

Silverlight Architecture
http://msdn.microsoft.com/en-us/library/bb404713(VS.95).aspx
http://www.learn-silverlight-tutorial.com/

Silverlight Quick Starts
http://www.silverlight.net/quickstarts/managed.aspx
http://weblogs.asp.net/scottgu/pages/silverlight-tutorial-part-1-creating-quot-hello-world-quot-with-silverlight-2-and-vs-2008.aspx
http://weblogs.asp.net/scottgu/archive/2008/02/22/first-look-at-silverlight-2.aspx

Data Binding
http://silverlight.net/learn/tutorials/databinding.aspx

Other
http://www.silverlight.net/QuickStarts/XmlFeatures/xmlData.aspx