VS 2008,SQL Server 2005, Windows 2003 Free for Students
As a part of its Dream Spark program Microsoft is giving away VS 2008, SQL Server 2005, Windows 2003 & Expression Studio for free. The terms & conditions include you should have a valid windows live id(if not you can get a one) & Microsoft has some checks to confirm that you are a student and you should pass those checks. You can very well download them here.