In the latest version of FSharpChart a DLL is packaged with the download. It was suggested that this be made available as a NuGet Package.
Hence one can now include FSharpChart in a project using NuGet:
Install-Package MSDN.FSharpChart.dll
Information on the package can be found here:
http://www.nuget.org/List/Packages/MSDN.FSharpChart.dll
Download and enjoy!