I like this idea. I'd use it - but I tend to type my lists because otherwise I lose the piece of paper I wrote them on! When I type them they are on my computer so unless I lose that (and it DOEs sometimes happen!) I can find my list.
I also use a nifty computer alternative called a DANA. It runs Palm Pilot software and it has a really good To Do list where you can grade things in order of importance.
This is what it looks like:

You can find out more about it here

Caroline