I know Toodledo has been experimenting with Google Gears for a while now. It seems that HTML5 will have built in tags for offline storage. I have no idea how useful this will be to make toodledo available offline but I think it is worth exploring. Google has so much faith in it that they are abandoning the Gears plugin. Check this out: http://lifehacker.com/5416331/google-says-adios-to-gears-hola-to-html5?utm_source=feedburner&utm_med ium=feed&utm_campaign=Feed%3A+lifehacker%2Ffull+(Lifehacker)&utm_content=Google+Reader
Thanks again Toodledo for all your hard work. If this makes your life easier I will be a very happy camper.