www.si-community.com

Officially it's a sneak peek of the Max version, not a full-blown official presentation... ;)

In fact, they are waiting for the plug is ready for Max..
Why SI can't be the sw that anticipates 3Ds?

Marketing considerations?

edit: at this point in time I would be just grateful that there is going to be a Softimage plugin, i.e. that Softimage isn't explicitly ignored, as some other companies seem to be doing...

You just cant blame developers for wanting to make money.