I am very interested in this as a project. I've worked with some trivial Multitasking executives in the past, and I currently work at Wind River Systems, writers of a very popular real time OS for embedded applications. I would very much like to kick around ideas, to develop code, and to test ideas. Granted, vxWorks (what we sell) is made for 32 bit high end processors, so I will have to rethink for the PIC world, but I still think I can contribute to the project. If there are objections to using this forum I'd be happy to set up a mailing list elsewhere for this as a project. I'm also happy to discuss this privately, if you wish Michael Shiloh Wind River Systems 510-749-2171 michaels@wrs.com alternate email at michael@srl.org