http://antimega.textdriven.com/antim...1/hello-reboot

This guy has developed a prototype of an s60 client for Backpack, written in Python.
"I’m still working out all the legal niceties to publish it on the web, but in the meantime, if you have an S60 phone, please email me if you would like a copy."

email to him : chris is at anti-mega.co

backpack : http://www.backpackit.com/