I know Jonah But those developers get paid and I think most people who invest to Rhino is for the Modeling tools...That's where their main focus should be IMO.

file I/O...Here is funny example, Rhino to SolidWorks. Last time I tried SW would not read a simple surface coming from Rhino...The remedy, Open .3DM in MoI re-save and VOILA it now opens in SW.

BUT I'm OFFTOPIC here, so lets use pm if necessary :)