We have had past discussions on .NET in the programming forum.

[link|http://z.iwethey.org/forums/render/content/show?contentid=28326|http://z.iwethey.org...w?contentid=28326]

And in another we linked to [link|http://www.javalobby.org/clr.html|http://www.javalobby.org/clr.html].

Both were generally worthwhile, but at this point are likely background knowledge that you already have.

Cheers,
Ben