.Net 3.5 -- .Net 4.0

We are planning to re-write our web-application in .Net 3.5 OR .Net 4.0.

It was created originally in .Net 2.0

What would be the fastest way to learn .Net 3.5 and .Net 4.0 ???

Can you please provide the info below:

A) good books to learn .Net 3.5 and .Net 4.0 quickly (for a person with prior development experience)???

B) Online tutorials to learn .Net 3.5 and .Net 4.0 quickly ???

c) web project example which is written in .Net 3.5 or/and .Net 4.0 ???

Who is Participating?
Carlos VillegasConnect With a Mentor Full Stack .NET DeveloperCommented:
Hello, here a good starting point from MSDN (requires prior experience with the .net framework):

What's New in the .NET Framework Version 3.5

What's New in the .NET Framework 4
niceguy971Author Commented:
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