The following represents a draft upgrade path as .NET developers move to .NET 3.5. <br> It is amazing how things get som much better as we move forward!
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--system and/or platform requirements for .Net 3.5 for developers
<p>
Developers would require a version of Visual Studio 2008 Professional or higher
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--system and/or platform requirements for .Net 3.5 for application users
<p>
Users would require the .NET 3.5 framework installed on their machines
(RTI websites would need to have the .NET 3.5 framework installed as well)
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--compatibility issues
<p>
Visual Studio 2008 is 100% backward compatible with .NET 2.0 and provides a mechanism for you to target which version of the framework you wish to build with. I.e. you can still write 100% .NET 2.0 applications using Visual Studio 2008. All solutions that were created in Visual Studio 2005 would be 100% compatible in Visual Studio 2008.
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--compelling new / better features of immediate use for applications  (very brief -- no details)
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<dir>
	LINQ â€“ A new data modeling and query language to help abstract the data layer
	ASP.NET Ajax 3.5 support
	Client Application Services â€“ allows for Membership authentication for Ajax and 
</dir>
client apps<br>
WPF â€“ Windows Presentation Foundation is a new alternative to Windows Forms based applications. This framework provides a whole new approach to UI building and interaction.
Silverlight development<br>
Unit testing is now built into IDE<br>
Web form designer support greatly enhanced for WYSIWYG <br>
Intellisense for javascript<br>
Version targeting for .NET Framework versions 2.0, 3.0, 3.5<br>
Office based development tools now included standard<br>
WCF & Windows Workflow â€“ new programming architectures to build applications with.
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--URLs for reference
<dir>
	http://msdn.microsoft.com/en-us/vstudio/default.aspx
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