> I do know that my coco3 with 6309 in it running the 6309 version of nitros-9 > is noticably faster then the same machine running the 6809 version of nitos- > 9. That pretty much answers my question: it is noticably faster. > All said I would consider upgrading from a 6809 to a 6309 a no brainer. That's why Mike Pepe likes it so much.