Thank you guys, I think I should have elaborated a bit on the situation.

MS Project ? Perhaps but I wanted something to use on the run. Something to help me if I am waiting (almost stranded ) in a car, or waiting for the party to end in my friend's house.

Sometimes I carried my stuff in a flash drive and when everyone was busy partying or BBQ'ing , I would sneak into my friend's home office (with his OK of course) and use his PC to do some work or at least work planning. And there are times when good old "paper & pencil" are used for sketching a work flowchart or timetable.

One of the problems that limits my choice is the constant uncertainity and moving around. The Palm seems the best to suit such condition but still there are times when I have to leave the car and do rough physical work. I would hesitate to leave it there or carry it with me. And in that case, paper and pen seem to be the most feasible.

I have tried to "steal" some ideas from daily planners in the net and used my word processor to design some tables on loose papers. It worked well but then again it was limited to listing tasks and was not conveinient when many tasks werent done in time and had to be copied again and again into the next days and weeks.

Oh, and I forgot to mention a secondary point. Some of the tasks arent all work related, rather they are home and family related. It makes no difference in general but it really adds to the feeling of "being lost". Like working on a diagram of a field site for a client and then half an hour later designing a workbench for my garage, and later try to find material I need from a hardware store after coming back from a library and copying relevant material for the client site.