To get
Look here
Free trial versions of SharePoint
http://www.microsoft.com/sharepoint/
SharePoint Portal Server pricing
http://www.microsoft.com/office/sharepoint/howtobuy/default.mspx
Online SharePoint tutorial
http://www.usingsharepoint.com/SPTraining/
A great SharePoint FAQ
http://wss.collutions.com/
A great SharePoint demo site
http://www.wssdemo.com/
SharePoint accelerators
http://www.microsoft.com/office/solutions/accelerators/