Max.NET builds for 3dsmax 2009 and 9 both 32 bit and 64 bit are now available for download. This is a good step forward as it pushes this .NET framework across all widely used 3dsmax versions. The next step (which is already in progress) is to make a unified interface (Interfaces.dll) that will work simultaneously across all platforms. That is, you would only need to compile your plugins/scripts once and have them work on all Max versions (current, past, and future). Currently all compiled plugins are platform independent (ie. plugin built using Interfaces.dll for 3dsmax 2010 will work with both 32 and 64 bit versions) but they are not version independent.

Marsel Khadiyev (Software Developer, EPHERE Inc.)