.net stuff
http://www.homeandlearn.co.uk/net/vbnet.html
http://asp.net-tutorials.com/basics/introduction/ ASP tutorial
powershell stuff
http://www.powershellpro.com/powershell-tutorial-introduction/tutorial-windows-powershell-console/ use sidebars to nav
http://powertoe.wordpress.com/2009/11/10/powershell-part-1/ navigate thru it
http://technet.microsoft.com/library/ee332526.aspx task based
I'd suggest picking to learn one or two language flavors to do what you need. I like to have monitoring pages and dashboards to look at and into the complex environments, I work in. So .net and powershell make a formatable supporting cast since most of what I want to know I get from SQL. All the secrets are kept in these things called books...