I initially posted this in General Software, but felt the question related to the T600 would be best suited here. I attempted to see if I can get a beta of Jackflash to work on the Treo and emailed support. Here is the respnse:
Brayder will not be supporting the Treo 600. It has been built to
very tight specifications and there is no Flash available for our products
to manage.

The Support Team
Brayder Technologies Inc.

Question - Does the T600 not have flashable memory? If so, then why not utilize JF to remove stuff like Tutorial? I would really like to get more detailed information about the Treo's ROM specs if anyone has them. Thanks.