C# implementation of deep/recursive object comparison in .net 3.5

Question

I am looking for a C# specific , open source (or source code available) implementation of recursive, or deep, object comparison.

I currently have two graphs of live

Answer 1

I found a really nice, free implementation at www.kellermansoftware.com called Compare .NET Objects which can be found here. Highly recommended.

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Appears to have relocated to github - most recent version is available here