Check out this great ebook featuring the best time-saving features in Visual Studio 2012 and ASP.NET 4.5. Written by top engineers at Telerik, it explains several great features like
JavaScript Intellisense
CSS Intellisense
ASP.NET and Web API (overview and CRUD operations)
Strongly Typed Data Binding
Page Inspector (new debugging tool)
And much much more
Check it out here
http://blogs.telerik.com/blogs/posts/12-07-03/fresh-off-the-press-time-saving-features-in-visual-studio-2012-and-aspnet-4-5-free-e-book.aspx