After reading the following , I'm really not seeing what people are complaing about in regards to having version conflicts, having to re-code, confusion etc..
http://msdn.microsoft.com/winfx/default.aspx?pull=/library/en-us/dnlong/html/netfx30.asp#netfx30_topic8
On Windows XP and Windows Server 2003, installing .NET Framework 3.0 also adds any .NET Framework 2.0 components that are not already installed. If .NET Framework 2.0 is already installed, the .NET Framework 3.0 installer adds only the files for Windows Presentation Foundation (WPF), Windows Workflow Foundation (WF), Windows Communication Foundation (WCF), and Windows CardSpace.
Components shared with .NET Framework 2.0 are installed in the following location:
%windir%\Microsoft.NET\Framework\V2.0.50727
Components that are new to .NET Framework 3.0 are installed in the following location:
%windir%\Microsoft.NET\Framework\V3.0
All components of the .NET Framework 3.0 reference assemblies are installed in the following location:
%programfiles%\Reference Assemblies\Microsoft\Framework\v3.0
Uninstalling .NET Framework 3.0 will not remove the components shared with .NET Framework 2.0. To remove those components, you must first uninstall .NET Framework 3.0 and then separately uninstall .NET Framework 2.0. (You can uninstall the .NET Framework using the Add or Remove Programs item in the Windows Control Panel.)
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