...Please use the svn checkout or update feature to get the latest source and compile from source. The engine is not released frequently but only after major source updates.
Chances are that by downloading a release you will get a rather old copy.
ColladaLoader is a free open source C# Library that enables developers to load and display Collada 3D Model files (.DAE) in DirectX 10 using the SlimDX SDK. Partitial .X file support. More info: http://www.tomsdevshack.be/projects/colladaloader
MD2 (Quake II Style) 3D model loader and animator for the C# XNA games development framework; includes demonstration/tutorial application. Developed on Microsoft C# Express 2005 and the Microsoft XNA Games Development Framework 1.0 Refresh release.
Ported to GitHub for consolidation/preservation:
https://github.com/aussieboosh/XNA-MD2-Model-Loader