but yeah! i think a tutorial would be a wonderful resource! not just for me but vry useful for the personal web community ^^
it does require php, but for the most part it's pretty straight forward. I would probably make the php and database files available as a plug and play type thing so that the rest of it can be done just with js :)
If you made an account and/or want to take part in my gaia towns 1 revival project when I do my first run, you'll want to get yourself a gaiaonline account and also set your url for your avatar