For me, the tech support available with Solid Edge is second to none. Back when I dealt with SW, support was provided thru VARs. I didn't care for this. I felt my voice was not being heard. The VAR may or may not work to get my issue resolved.
I prefer having the direct telephone support of...
You can write an addin (using VB, C, etc) to capture the save event and trigger a physical property update. That way, each time a 3D file is saved, its mass will get updated.
