Calling this alternative “One relative simple alternative”, it gives step by step method to make the move.
The steps even start out with how to get a Dropbox account. The Dropbox Public folder is used to host the webpages. Since Dropbox doesn’t share folders, only files, it would be necessary to shre the index.html link.
Read the full article here: http://www.macworld.com/article/1166277/how_to_publish_your_mobileme_iweb_site_on_dropbox.html