Hopefully by now you've heard Visual Studio 2010 and Fx 4 Beta have shipped, if you live in Oz and not an MSDN subscriber then the best place to download it from is http://www.microsoft.com/australia/visualstudio/default.mspx.
If you are feeling a bit nervous about installing on your base machine then install it in a Virtual Machine, it works just fine!!
There is a great set of training resources for Visual Studio 2010 & Fx 4 Beta 2 in the form of the Visual Studio 2010 and .NET Framework 4 Training Kit and check out http://channel9.msdn.com/learn/ for more great learning materials.
You'll find material covering
so check it out and get up to speed fast with the Visual Studio 2010 and Fx 4 Beta 2!!
Ohhh, lol, I have installed VS2010 Beta 2 on my ASUS Eee PC 1005HA-H with 2 gigs of RAM, running Windows 7, that plus TFS 2010 B2 Basic - ok, it's not going to set any speed records but useable and fun for trying stuff out esp when you are on the move.