Inventor 2008 is here:
http://usa.autodesk.com/adsk/servlet...112&id=4246282
The new version has many new features and abilities, including better management of sketch constraints, changes to the interface, new surace and solid modeling tools, improvements to Dynamic Simulation, integration between Dynamic Simulation and Stress Analysis, Stress Analysis for more than one part at once, better feedback on conflicting constraints, derived assemblies, ribbon cables, and ROLLER CHAIN GENERATOR!